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gleam_stdlib

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A standard library for the Gleam programming language

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gleam_stdlib src gleam@function.erl
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src/gleam@function.erl 

-module(gleam@function).

-compile(no_auto_import).



-export([compose/2, curry2/1, curry3/1, curry4/1, curry5/1, curry6/1, flip/1, identity/1, constant/1]).



-spec compose(fun((DNP) -> DNQ), fun((DNQ) -> DNR)) -> fun((DNP) -> DNR).

compose(Fun1, Fun2) ->

    fun(A) -> Fun2(Fun1(A)) end.



-spec curry2(fun((DNS, DNT) -> DNU)) -> fun((DNS) -> fun((DNT) -> DNU)).

curry2(Fun) ->

    fun(A) -> fun(B) -> Fun(A, B) end end.



-spec curry3(fun((DNW, DNX, DNY) -> DNZ)) -> fun((DNW) -> fun((DNX) -> fun((DNY) -> DNZ))).

curry3(Fun) ->

    fun(A) -> fun(B) -> fun(C) -> Fun(A, B, C) end end end.



-spec curry4(fun((DOB, DOC, DOD, DOE) -> DOF)) -> fun((DOB) -> fun((DOC) -> fun((DOD) -> fun((DOE) -> DOF)))).

curry4(Fun) ->

    fun(A) -> fun(B) -> fun(C) -> fun(D) -> Fun(A, B, C, D) end end end end.



-spec curry5(fun((DOH, DOI, DOJ, DOK, DOL) -> DOM)) -> fun((DOH) -> fun((DOI) -> fun((DOJ) -> fun((DOK) -> fun((DOL) -> DOM))))).

curry5(Fun) ->

    fun(A) ->

        fun(B) ->

            fun(C) -> fun(D) -> fun(E) -> Fun(A, B, C, D, E) end end end

        end

    end.



-spec curry6(fun((DOO, DOP, DOQ, DOR, DOS, DOT) -> DOU)) -> fun((DOO) -> fun((DOP) -> fun((DOQ) -> fun((DOR) -> fun((DOS) -> fun((DOT) -> DOU)))))).

curry6(Fun) ->

    fun(A) ->

        fun(B) ->

            fun(C) ->

                fun(D) -> fun(E) -> fun(F) -> Fun(A, B, C, D, E, F) end end end

            end

        end

    end.



-spec flip(fun((DOW, DOX) -> DOY)) -> fun((DOX, DOW) -> DOY).

flip(Fun) ->

    fun(B, A) -> Fun(A, B) end.



-spec identity(DOZ) -> DOZ.

identity(X) ->

    X.



-spec constant(DPA) -> fun((any()) -> DPA).

constant(Value) ->

    fun(_) -> Value end.