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INSTALL OCAML
Install OCaml. The latest version of OCaml is 4.12.0 . For more information about this release, see the 4.12.0 page. The OCaml compiler and libraries can be installed in several ways: With OPAM, the OCaml package manager (recommended). With a system package manager supported by your platform ( Linux, macOS, FreeBSD , OpenBSD, NetBSD,Windows)
OPTION - OCAML
Options. The type for option values. Either None or a value Some v. none is None. some v is Some v. value o ~default is v if o is Some v and default otherwise. Raises Invalid_argument otherwise. bind o f is f v if o is Some v and None if o is None. join oo is Some v if oo is Some ( Some v) and None otherwise.CHAR - OCAML
Return a string representing the given character, with special characters escaped following the lexical conventions of OCaml. All characters outside the ASCII printable range (32..126) are escaped, as well as backslash, double-quote, and single-quote. val lowercase : char -> char. Deprecated. OCAML - THE CORE LIBRARY - OCAML This chapter describes the OCaml core library, which is composed of declarations for built-in types and exceptions, plus the module Stdlib that provides basic operations on these built-in types. The Stdlib module is special in two ways: It is automatically linked with the user’s object code files by the ocamlc command (chapter 9 ).ARRAY - OCAML
set a n x modifies array a in place, replacing element number n with x . You can also write a. (n) 'a -> 'a array. make n x returns a fresh array of length n , initialized with x .BOOL - OCAML
Booleans. The type of booleans (truth values). The constructors false and true are included here so that they have paths, but they are not intended to be used in user-defined data types. not b is the boolean negation of b. e0 && e1 is the lazy boolean conjunction of expressions e0 and e1 . If e0 evaluates to false, e1 is not evaluated.99 PROBLEMS
Your Help is Needed Many of the solutions below have been written by Victor Nicollet.Please contribute more solutions or improve the existing ones. 99 Problems (solved) in OCaml. This section is inspired by Ninety-Nine Lisp Problems which in turn was based on “Prolog problem list”. For each of these questions, some simple tests are shown—they may also serve to make the question clearerRANDOM - OCAML
Random .float bound returns a random floating-point number between 0 and bound (inclusive). If bound is negative, the result is negative or zero. If bound is 0, the result is 0. val bool : unit -> bool. Random .bool () returns true or false with probability 0.5 each.STRING - OCAML
String. module String: sig .. end. Strings. A string s of length n is an indexable and immutable sequence of n bytes. For historical reasons these bytes are referred to as characters. The semantics of string functions is defined in terms of indices and positions. These are depicted and described as follows.OCAML
A friendly place to discuss OCaml: an industrial-strength programming language supporting functional, imperative and object-oriented stylesINSTALL OCAML
Install OCaml. The latest version of OCaml is 4.12.0 . For more information about this release, see the 4.12.0 page. The OCaml compiler and libraries can be installed in several ways: With OPAM, the OCaml package manager (recommended). With a system package manager supported by your platform ( Linux, macOS, FreeBSD , OpenBSD, NetBSD,Windows)
OPTION - OCAML
Options. The type for option values. Either None or a value Some v. none is None. some v is Some v. value o ~default is v if o is Some v and default otherwise. Raises Invalid_argument otherwise. bind o f is f v if o is Some v and None if o is None. join oo is Some v if oo is Some ( Some v) and None otherwise.CHAR - OCAML
Return a string representing the given character, with special characters escaped following the lexical conventions of OCaml. All characters outside the ASCII printable range (32..126) are escaped, as well as backslash, double-quote, and single-quote. val lowercase : char -> char. Deprecated. OCAML - THE CORE LIBRARY - OCAML This chapter describes the OCaml core library, which is composed of declarations for built-in types and exceptions, plus the module Stdlib that provides basic operations on these built-in types. The Stdlib module is special in two ways: It is automatically linked with the user’s object code files by the ocamlc command (chapter 9 ).ARRAY - OCAML
set a n x modifies array a in place, replacing element number n with x . You can also write a. (n) 'a -> 'a array. make n x returns a fresh array of length n , initialized with x .BOOL - OCAML
Booleans. The type of booleans (truth values). The constructors false and true are included here so that they have paths, but they are not intended to be used in user-defined data types. not b is the boolean negation of b. e0 && e1 is the lazy boolean conjunction of expressions e0 and e1 . If e0 evaluates to false, e1 is not evaluated.99 PROBLEMS
Your Help is Needed Many of the solutions below have been written by Victor Nicollet.Please contribute more solutions or improve the existing ones. 99 Problems (solved) in OCaml. This section is inspired by Ninety-Nine Lisp Problems which in turn was based on “Prolog problem list”. For each of these questions, some simple tests are shown—they may also serve to make the question clearerRANDOM - OCAML
Random .float bound returns a random floating-point number between 0 and bound (inclusive). If bound is negative, the result is negative or zero. If bound is 0, the result is 0. val bool : unit -> bool. Random .bool () returns true or false with probability 0.5 each.STRING - OCAML
String. module String: sig .. end. Strings. A string s of length n is an indexable and immutable sequence of n bytes. For historical reasons these bytes are referred to as characters. The semantics of string functions is defined in terms of indices and positions. These are depicted and described as follows.OCAML
A friendly place to discuss OCaml: an industrial-strength programming language supporting functional, imperative and object-oriented stylesOCAML – OCAML
OCaml is an industrial-strength programming language supporting functional, imperative and object-oriented styles.INSTALL OCAML
Install OCaml. The latest version of OCaml is 4.12.0 . For more information about this release, see the 4.12.0 page. The OCaml compiler and libraries can be installed in several ways: With OPAM, the OCaml package manager (recommended). With a system package manager supported by your platform ( Linux, macOS, FreeBSD , OpenBSD, NetBSD,Windows)
OCAML - THE CORE LIBRARY - OCAML The core library; 1 Built-in types and predefined exceptions; 2 Module Stdlib: the initially opened module; This chapter describes the OCaml core library, which is composed of declarations for built-in types and exceptions, plus the module Stdlib that provides basic operations on these built-in types. The Stdlib module is special in two ways: . It is automatically linked with the user’sTHE OCAML API
You may search bare values, like map, or indicate the module, like List.map, or type signatures, like int -> float.; To combine several keywords, just separate them by a space. Quotes "like this" can be used to prevent from splitting words at spaces.99 PROBLEMS
Your Help is Needed Many of the solutions below have been written by Victor Nicollet.Please contribute more solutions or improve the existing ones. 99 Problems (solved) in OCaml. This section is inspired by Ninety-Nine Lisp Problems which in turn was based on “Prolog problem list”. For each of these questions, some simple tests are shown—they may also serve to make the question clearerCHAR - OCAML
Return a string representing the given character, with special characters escaped following the lexical conventions of OCaml. All characters outside the ASCII printable range (32..126) are escaped, as well as backslash, double-quote, and single-quote. val lowercase : char -> char. Deprecated.FILE MANIPULATION
File manipulation. This is a guide to basic file manipulation in OCaml using only the standard library. Official documentation for the modules of interest: the core library including the initially opened module Stdlib, Printf.. Buffered channelsUNIT - OCAML
The unit type. type t = unit =. |. () The unit type. The constructor () is included here so that it has a path, but it is not intended to be used in user-defined data types. val equal : t -> t -> bool. equal u1 u2 is true. val compare : t -> t -> int.PRINTF - OCAML
fprintf outchan format arg1 argN formats the arguments arg1 to argN according to the format string format, and outputs the resulting string on the channel outchan.. The format string is a character string which contains two types of objects: plain characters, which are simply copied to the output channel, and conversion specifications, each of which causes conversion and printing ofarguments.
LAZY - OCAML
A value of type ' a Lazy.t is a deferred computation, called a suspension, that has a result of type ' a.The special expression syntax lazy (expr) makes a suspension of the computation of expr, without computing expr itself yet. "Forcing" the suspension will then compute expr and return its result. Matching a suspension with the special pattern syntax lazy (pattern) also computes the OCAML – OCAMLLEARNDOCUMENTATIONPACKAGESCOMMUNITYNEWSCODE EXAMPLES OCaml is an industrial-strength programming language supporting functional, imperative and object-oriented styles.OPTION - OCAML
Options. The type for option values. Either None or a value Some v. none is None. some v is Some v. value o ~default is v if o is Some v and default otherwise. Raises Invalid_argument otherwise. bind o f is f v if o is Some v and None if o is None. join oo is Some v if oo is Some ( Some v) and None otherwise. OCAML - THE CORE LIBRARY - OCAML This chapter describes the OCaml core library, which is composed of declarations for built-in types and exceptions, plus the module Stdlib that provides basic operations on these built-in types. The Stdlib module is special in two ways: It is automatically linked with the user’s object code files by the ocamlc command (chapter 9 ).LIST - OCAML
An alias for the type of lists. Return the length (number of elements) of the given list. Compare the lengths of two lists. compare_lengths l1 l2 is equivalent to compare (length l1) (length l2), except that the computation stops after reaching the end of the shortest list.Since 4.05.0.
ARRAY - OCAML
set a n x modifies array a in place, replacing element number n with x . You can also write a. (n) 'a -> 'a array. make n x returns a fresh array of length n , initialized with x .BOOL - OCAML
Booleans. The type of booleans (truth values). The constructors false and true are included here so that they have paths, but they are not intended to be used in user-defined data types. not b is the boolean negation of b. e0 && e1 is the lazy boolean conjunction of expressions e0 and e1 . If e0 evaluates to false, e1 is not evaluated.99 PROBLEMS
Your Help is Needed Many of the solutions below have been written by Victor Nicollet.Please contribute more solutions or improve the existing ones. 99 Problems (solved) in OCaml. This section is inspired by Ninety-Nine Lisp Problems which in turn was based on “Prolog problem list”. For each of these questions, some simple tests are shown—they may also serve to make the question clearerRANDOM - OCAML
Random .float bound returns a random floating-point number between 0 and bound (inclusive). If bound is negative, the result is negative or zero. If bound is 0, the result is 0. val bool : unit -> bool. Random .bool () returns true or false with probability 0.5 each.STRING - OCAML
String. module String: sig .. end. Strings. A string s of length n is an indexable and immutable sequence of n bytes. For historical reasons these bytes are referred to as characters. The semantics of string functions is defined in terms of indices and positions. These are depicted and described as follows.OCAML
A friendly place to discuss OCaml: an industrial-strength programming language supporting functional, imperative and object-oriented styles OCAML – OCAMLLEARNDOCUMENTATIONPACKAGESCOMMUNITYNEWSCODE EXAMPLES OCaml is an industrial-strength programming language supporting functional, imperative and object-oriented styles.OPTION - OCAML
Options. The type for option values. Either None or a value Some v. none is None. some v is Some v. value o ~default is v if o is Some v and default otherwise. Raises Invalid_argument otherwise. bind o f is f v if o is Some v and None if o is None. join oo is Some v if oo is Some ( Some v) and None otherwise. OCAML - THE CORE LIBRARY - OCAML This chapter describes the OCaml core library, which is composed of declarations for built-in types and exceptions, plus the module Stdlib that provides basic operations on these built-in types. The Stdlib module is special in two ways: It is automatically linked with the user’s object code files by the ocamlc command (chapter 9 ).LIST - OCAML
An alias for the type of lists. Return the length (number of elements) of the given list. Compare the lengths of two lists. compare_lengths l1 l2 is equivalent to compare (length l1) (length l2), except that the computation stops after reaching the end of the shortest list.Since 4.05.0.
ARRAY - OCAML
set a n x modifies array a in place, replacing element number n with x . You can also write a. (n) 'a -> 'a array. make n x returns a fresh array of length n , initialized with x .BOOL - OCAML
Booleans. The type of booleans (truth values). The constructors false and true are included here so that they have paths, but they are not intended to be used in user-defined data types. not b is the boolean negation of b. e0 && e1 is the lazy boolean conjunction of expressions e0 and e1 . If e0 evaluates to false, e1 is not evaluated.99 PROBLEMS
Your Help is Needed Many of the solutions below have been written by Victor Nicollet.Please contribute more solutions or improve the existing ones. 99 Problems (solved) in OCaml. This section is inspired by Ninety-Nine Lisp Problems which in turn was based on “Prolog problem list”. For each of these questions, some simple tests are shown—they may also serve to make the question clearerRANDOM - OCAML
Random .float bound returns a random floating-point number between 0 and bound (inclusive). If bound is negative, the result is negative or zero. If bound is 0, the result is 0. val bool : unit -> bool. Random .bool () returns true or false with probability 0.5 each.STRING - OCAML
String. module String: sig .. end. Strings. A string s of length n is an indexable and immutable sequence of n bytes. For historical reasons these bytes are referred to as characters. The semantics of string functions is defined in terms of indices and positions. These are depicted and described as follows.OCAML
A friendly place to discuss OCaml: an industrial-strength programming language supporting functional, imperative and object-oriented stylesOCAML – OCAML
OCaml is an industrial-strength programming language supporting functional, imperative and object-oriented styles.INSTALL OCAML
Install OCaml. The latest version of OCaml is 4.12.0 . For more information about this release, see the 4.12.0 page. The OCaml compiler and libraries can be installed in several ways: With OPAM, the OCaml package manager (recommended). With a system package manager supported by your platform ( Linux, macOS, FreeBSD , OpenBSD, NetBSD,Windows)
OCAML - THE CORE LIBRARY - OCAML The core library; 1 Built-in types and predefined exceptions; 2 Module Stdlib: the initially opened module; This chapter describes the OCaml core library, which is composed of declarations for built-in types and exceptions, plus the module Stdlib that provides basic operations on these built-in types. The Stdlib module is special in two ways: . It is automatically linked with the user’sLIBRARIES – OCAML
Libraries. There are thousands of OCaml libraries available. Here is a list of the most popular sites where you can find them. Official OPAM repository is the first place to check. The most high quality and most widely used libraries are provided as OPAM packages.LIST - OCAML
List operations. Some functions are flagged as not tail-recursive. A tail-recursive function uses constant stack space, while a non-tail-recursive function uses stack space proportional to the length of its list argument, which can be a problem with very longlists.
THE OCAML API
You may search bare values, like map, or indicate the module, like List.map, or type signatures, like int -> float.; To combine several keywords, just separate them by a space. Quotes "like this" can be used to prevent from splitting words at spaces.CHAR - OCAML
Return a string representing the given character, with special characters escaped following the lexical conventions of OCaml. All characters outside the ASCII printable range (32..126) are escaped, as well as backslash, double-quote, and single-quote. val lowercase : char -> char. Deprecated.99 PROBLEMS
Your Help is Needed Many of the solutions below have been written by Victor Nicollet.Please contribute more solutions or improve the existing ones. 99 Problems (solved) in OCaml. This section is inspired by Ninety-Nine Lisp Problems which in turn was based on “Prolog problem list”. For each of these questions, some simple tests are shown—they may also serve to make the question clearerUNIT - OCAML
The unit type. type t = unit =. |. () The unit type. The constructor () is included here so that it has a path, but it is not intended to be used in user-defined data types. val equal : t -> t -> bool. equal u1 u2 is true. val compare : t -> t -> int.STACK - OCAML
type 'a t. The type of stacks containing elements of type ' a. exception Empty. Raised when Stack .pop or Stack .top is applied to an empty stack. val create : unit -> 'a t. Return a new stack, initially empty. val push : 'a -> 'a t -> unit. push x s adds the element x at the top of stack s. val pop : 'a t -> 'a. OCAML – OCAMLLEARNDOCUMENTATIONPACKAGESCOMMUNITYNEWSCODE EXAMPLES OCaml is an industrial-strength programming language supporting functional, imperative and object-oriented styles.OPTION - OCAML
Options. The type for option values. Either None or a value Some v. none is None. some v is Some v. value o ~default is v if o is Some v and default otherwise. Raises Invalid_argument otherwise. bind o f is f v if o is Some v and None if o is None. join oo is Some v if oo is Some ( Some v) and None otherwise. OCAML - THE CORE LIBRARY - OCAML This chapter describes the OCaml core library, which is composed of declarations for built-in types and exceptions, plus the module Stdlib that provides basic operations on these built-in types. The Stdlib module is special in two ways: It is automatically linked with the user’s object code files by the ocamlc command (chapter 9 ).LIST - OCAML
An alias for the type of lists. Return the length (number of elements) of the given list. Compare the lengths of two lists. compare_lengths l1 l2 is equivalent to compare (length l1) (length l2), except that the computation stops after reaching the end of the shortest list.Since 4.05.0.
ARRAY - OCAML
set a n x modifies array a in place, replacing element number n with x . You can also write a. (n) 'a -> 'a array. make n x returns a fresh array of length n , initialized with x .BOOL - OCAML
Booleans. The type of booleans (truth values). The constructors false and true are included here so that they have paths, but they are not intended to be used in user-defined data types. not b is the boolean negation of b. e0 && e1 is the lazy boolean conjunction of expressions e0 and e1 . If e0 evaluates to false, e1 is not evaluated.99 PROBLEMS
Your Help is Needed Many of the solutions below have been written by Victor Nicollet.Please contribute more solutions or improve the existing ones. 99 Problems (solved) in OCaml. This section is inspired by Ninety-Nine Lisp Problems which in turn was based on “Prolog problem list”. For each of these questions, some simple tests are shown—they may also serve to make the question clearerRANDOM - OCAML
Random .float bound returns a random floating-point number between 0 and bound (inclusive). If bound is negative, the result is negative or zero. If bound is 0, the result is 0. val bool : unit -> bool. Random .bool () returns true or false with probability 0.5 each.STRING - OCAML
String. module String: sig .. end. Strings. A string s of length n is an indexable and immutable sequence of n bytes. For historical reasons these bytes are referred to as characters. The semantics of string functions is defined in terms of indices and positions. These are depicted and described as follows.OCAML
A friendly place to discuss OCaml: an industrial-strength programming language supporting functional, imperative and object-oriented styles OCAML – OCAMLLEARNDOCUMENTATIONPACKAGESCOMMUNITYNEWSCODE EXAMPLES OCaml is an industrial-strength programming language supporting functional, imperative and object-oriented styles.OPTION - OCAML
Options. The type for option values. Either None or a value Some v. none is None. some v is Some v. value o ~default is v if o is Some v and default otherwise. Raises Invalid_argument otherwise. bind o f is f v if o is Some v and None if o is None. join oo is Some v if oo is Some ( Some v) and None otherwise. OCAML - THE CORE LIBRARY - OCAML This chapter describes the OCaml core library, which is composed of declarations for built-in types and exceptions, plus the module Stdlib that provides basic operations on these built-in types. The Stdlib module is special in two ways: It is automatically linked with the user’s object code files by the ocamlc command (chapter 9 ).LIST - OCAML
An alias for the type of lists. Return the length (number of elements) of the given list. Compare the lengths of two lists. compare_lengths l1 l2 is equivalent to compare (length l1) (length l2), except that the computation stops after reaching the end of the shortest list.Since 4.05.0.
ARRAY - OCAML
set a n x modifies array a in place, replacing element number n with x . You can also write a. (n) 'a -> 'a array. make n x returns a fresh array of length n , initialized with x .BOOL - OCAML
Booleans. The type of booleans (truth values). The constructors false and true are included here so that they have paths, but they are not intended to be used in user-defined data types. not b is the boolean negation of b. e0 && e1 is the lazy boolean conjunction of expressions e0 and e1 . If e0 evaluates to false, e1 is not evaluated.99 PROBLEMS
Your Help is Needed Many of the solutions below have been written by Victor Nicollet.Please contribute more solutions or improve the existing ones. 99 Problems (solved) in OCaml. This section is inspired by Ninety-Nine Lisp Problems which in turn was based on “Prolog problem list”. For each of these questions, some simple tests are shown—they may also serve to make the question clearerRANDOM - OCAML
Random .float bound returns a random floating-point number between 0 and bound (inclusive). If bound is negative, the result is negative or zero. If bound is 0, the result is 0. val bool : unit -> bool. Random .bool () returns true or false with probability 0.5 each.STRING - OCAML
String. module String: sig .. end. Strings. A string s of length n is an indexable and immutable sequence of n bytes. For historical reasons these bytes are referred to as characters. The semantics of string functions is defined in terms of indices and positions. These are depicted and described as follows.OCAML
A friendly place to discuss OCaml: an industrial-strength programming language supporting functional, imperative and object-oriented stylesOCAML – OCAML
OCaml is an industrial-strength programming language supporting functional, imperative and object-oriented styles.INSTALL OCAML
Install OCaml. The latest version of OCaml is 4.12.0 . For more information about this release, see the 4.12.0 page. The OCaml compiler and libraries can be installed in several ways: With OPAM, the OCaml package manager (recommended). With a system package manager supported by your platform ( Linux, macOS, FreeBSD , OpenBSD, NetBSD,Windows)
OCAML - THE CORE LIBRARY - OCAML The core library; 1 Built-in types and predefined exceptions; 2 Module Stdlib: the initially opened module; This chapter describes the OCaml core library, which is composed of declarations for built-in types and exceptions, plus the module Stdlib that provides basic operations on these built-in types. The Stdlib module is special in two ways: . It is automatically linked with the user’sLIBRARIES – OCAML
Libraries. There are thousands of OCaml libraries available. Here is a list of the most popular sites where you can find them. Official OPAM repository is the first place to check. The most high quality and most widely used libraries are provided as OPAM packages.LIST - OCAML
List operations. Some functions are flagged as not tail-recursive. A tail-recursive function uses constant stack space, while a non-tail-recursive function uses stack space proportional to the length of its list argument, which can be a problem with very longlists.
THE OCAML API
You may search bare values, like map, or indicate the module, like List.map, or type signatures, like int -> float.; To combine several keywords, just separate them by a space. Quotes "like this" can be used to prevent from splitting words at spaces.CHAR - OCAML
Return a string representing the given character, with special characters escaped following the lexical conventions of OCaml. All characters outside the ASCII printable range (32..126) are escaped, as well as backslash, double-quote, and single-quote. val lowercase : char -> char. Deprecated.99 PROBLEMS
Your Help is Needed Many of the solutions below have been written by Victor Nicollet.Please contribute more solutions or improve the existing ones. 99 Problems (solved) in OCaml. This section is inspired by Ninety-Nine Lisp Problems which in turn was based on “Prolog problem list”. For each of these questions, some simple tests are shown—they may also serve to make the question clearerUNIT - OCAML
The unit type. type t = unit =. |. () The unit type. The constructor () is included here so that it has a path, but it is not intended to be used in user-defined data types. val equal : t -> t -> bool. equal u1 u2 is true. val compare : t -> t -> int.STACK - OCAML
type 'a t. The type of stacks containing elements of type ' a. exception Empty. Raised when Stack .pop or Stack .top is applied to an empty stack. val create : unit -> 'a t. Return a new stack, initially empty. val push : 'a -> 'a t -> unit. push x s adds the element x at the top of stack s. val pop : 'a t -> 'a. OCAML – OCAMLLEARNDOCUMENTATIONPACKAGESCOMMUNITYNEWSCODE EXAMPLES OCaml is an industrial-strength programming language supporting functional, imperative and object-oriented styles.INSTALL OCAML
Install OCaml. The latest version of OCaml is 4.12.0 . For more information about this release, see the 4.12.0 page. The OCaml compiler and libraries can be installed in several ways: With OPAM, the OCaml package manager (recommended). With a system package manager supported by your platform ( Linux, macOS, FreeBSD , OpenBSD, NetBSD,Windows)
OCAML - THE CORE LIBRARY - OCAML This chapter describes the OCaml core library, which is composed of declarations for built-in types and exceptions, plus the module Stdlib that provides basic operations on these built-in types. The Stdlib module is special in two ways: It is automatically linked with the user’s object code files by the ocamlc command (chapter 9 ).UNIT - OCAML
The unit type. type t = unit =. |. () The unit type. The constructor () is included here so that it has a path, but it is not intended to be used in user-defined data types. val equal : t -> t -> bool. equal u1 u2 is true. val compare : t -> t -> int.OPTION - OCAML
Options. The type for option values. Either None or a value Some v. none is None. some v is Some v. value o ~default is v if o is Some v and default otherwise. Raises Invalid_argument otherwise. bind o f is f v if o is Some v and None if o is None. join oo is Some v if oo is Some ( Some v) and None otherwise.SYS - OCAML
Execute the given shell command and return its exit code. The argument of Sys .command is generally the name of a command followed by zero, one or several arguments, separated by whitespace. The given argument is interpreted by a shell: either the Windows shell cmd.exe for the Win32 ports of OCaml, or the POSIX shell sh for other ports.RANDOM - OCAML
Random .float bound returns a random floating-point number between 0 and bound (inclusive). If bound is negative, the result is negative or zero. If bound is 0, the result is 0. val bool : unit -> bool. Random .bool () returns true or false with probability 0.5 each.STRING - OCAML
String. module String: sig .. end. Strings. A string s of length n is an indexable and immutable sequence of n bytes. For historical reasons these bytes are referred to as characters. The semantics of string functions is defined in terms of indices and positions. These are depicted and described as follows.OCAML WEEKLY NEWS
OCaml Weekly News. The OCaml Weekly News is a summary of the messages sent to the OCaml forums and mailing list compiled by Alan Schmitt.OCAML
A friendly place to discuss OCaml: an industrial-strength programming language supporting functional, imperative and object-oriented styles OCAML – OCAMLLEARNDOCUMENTATIONPACKAGESCOMMUNITYNEWSCODE EXAMPLES OCaml is an industrial-strength programming language supporting functional, imperative and object-oriented styles.INSTALL OCAML
Install OCaml. The latest version of OCaml is 4.12.0 . For more information about this release, see the 4.12.0 page. The OCaml compiler and libraries can be installed in several ways: With OPAM, the OCaml package manager (recommended). With a system package manager supported by your platform ( Linux, macOS, FreeBSD , OpenBSD, NetBSD,Windows)
OCAML - THE CORE LIBRARY - OCAML This chapter describes the OCaml core library, which is composed of declarations for built-in types and exceptions, plus the module Stdlib that provides basic operations on these built-in types. The Stdlib module is special in two ways: It is automatically linked with the user’s object code files by the ocamlc command (chapter 9 ).UNIT - OCAML
The unit type. type t = unit =. |. () The unit type. The constructor () is included here so that it has a path, but it is not intended to be used in user-defined data types. val equal : t -> t -> bool. equal u1 u2 is true. val compare : t -> t -> int.OPTION - OCAML
Options. The type for option values. Either None or a value Some v. none is None. some v is Some v. value o ~default is v if o is Some v and default otherwise. Raises Invalid_argument otherwise. bind o f is f v if o is Some v and None if o is None. join oo is Some v if oo is Some ( Some v) and None otherwise.SYS - OCAML
Execute the given shell command and return its exit code. The argument of Sys .command is generally the name of a command followed by zero, one or several arguments, separated by whitespace. The given argument is interpreted by a shell: either the Windows shell cmd.exe for the Win32 ports of OCaml, or the POSIX shell sh for other ports.RANDOM - OCAML
Random .float bound returns a random floating-point number between 0 and bound (inclusive). If bound is negative, the result is negative or zero. If bound is 0, the result is 0. val bool : unit -> bool. Random .bool () returns true or false with probability 0.5 each.STRING - OCAML
String. module String: sig .. end. Strings. A string s of length n is an indexable and immutable sequence of n bytes. For historical reasons these bytes are referred to as characters. The semantics of string functions is defined in terms of indices and positions. These are depicted and described as follows.OCAML WEEKLY NEWS
OCaml Weekly News. The OCaml Weekly News is a summary of the messages sent to the OCaml forums and mailing list compiled by Alan Schmitt.OCAML
A friendly place to discuss OCaml: an industrial-strength programming language supporting functional, imperative and object-oriented stylesOCAML – OCAML
OCaml is an industrial-strength programming language supporting functional, imperative and object-oriented styles.DOCS – OCAML
The OCaml Tutorials. The official OCaml tutorials (chapters 1 to 6 of the manual), written by the creators of the language, are the best place to start. They form a complete introduction to programming in OCaml, including the module system, objects, polymorphism, etc.LIST - OCAML
List operations. Some functions are flagged as not tail-recursive. A tail-recursive function uses constant stack space, while a non-tail-recursive function uses stack space proportional to the length of its list argument, which can be a problem with very longlists.
OCAML - BATCH COMPILATION (OCAMLC) - OCAML Batch compilation (ocamlc) 1 Overview of the compiler; 2 Options; 3 Modules and the file system; 4 Common errors; 5 Warning reference; This chapter describes the OCaml batch compiler ocamlc, which compiles OCaml source files to bytecode object files and links these object files to produce standalone bytecode executable files.These executable files are then run by the bytecode interpreter ocamlrun.CHAR - OCAML
Return a string representing the given character, with special characters escaped following the lexical conventions of OCaml. All characters outside the ASCII printable range (32..126) are escaped, as well as backslash, double-quote, and single-quote. val lowercase : char -> char. Deprecated.RANDOM - OCAML
Random .float bound returns a random floating-point number between 0 and bound (inclusive). If bound is negative, the result is negative or zero. If bound is 0, the result is 0. val bool : unit -> bool. Random .bool () returns true or false with probability 0.5 each.BOOL - OCAML
Booleans. The type of booleans (truth values). The constructors false and true are included here so that they have paths, but they are not intended to be used in user-defined data types. not b is the boolean negation of b. e0 && e1 is the lazy boolean conjunction of expressions e0 and e1 . If e0 evaluates to false, e1 is not evaluated.CUSTOM DATA TYPES
OCaml has support for lists built into the language. All elements of a list in OCaml must be the same type. To write a list, use: # ;; - : int list = (Note semicolons, NOT commas). is the empty list. A list has a head (the first element) and a tail (the restof the
ARRAY - OCAML
set a n x modifies array a in place, replacing element number n with x . You can also write a. (n) 'a -> 'a array. make n x returns a fresh array of length n , initialized with x .BUFFER - OCAML
create n returns a fresh buffer, initially empty. The n parameter is the initial size of the internal byte sequence that holds the buffer contents. That byte sequence is automatically reallocated when more than n characters are stored in the buffer, but shrinks back to n characters when reset is called. For best performance, n should be of the same order of magnitude as the number of* Learn
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