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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, tap/2, apply1/2, apply2/3, apply3/4]).



-spec compose(fun((EMR) -> EMS), fun((EMS) -> EMT)) -> fun((EMR) -> EMT).

compose(Fun1, Fun2) ->

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



-spec curry2(fun((EMU, EMV) -> EMW)) -> fun((EMU) -> fun((EMV) -> EMW)).

curry2(Fun) ->

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



-spec curry3(fun((EMY, EMZ, ENA) -> ENB)) -> fun((EMY) -> fun((EMZ) -> fun((ENA) -> ENB))).

curry3(Fun) ->

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



-spec curry4(fun((END, ENE, ENF, ENG) -> ENH)) -> fun((END) -> fun((ENE) -> fun((ENF) -> fun((ENG) -> ENH)))).

curry4(Fun) ->

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



-spec curry5(fun((ENJ, ENK, ENL, ENM, ENN) -> ENO)) -> fun((ENJ) -> fun((ENK) -> fun((ENL) -> fun((ENM) -> fun((ENN) -> ENO))))).

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((ENQ, ENR, ENS, ENT, ENU, ENV) -> ENW)) -> fun((ENQ) -> fun((ENR) -> fun((ENS) -> fun((ENT) -> fun((ENU) -> fun((ENV) -> ENW)))))).

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((ENY, ENZ) -> EOA)) -> fun((ENZ, ENY) -> EOA).

flip(Fun) ->

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



-spec identity(EOB) -> EOB.

identity(X) ->

    X.



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

constant(Value) ->

    fun(_) -> Value end.



-spec tap(EOE, fun((EOE) -> any())) -> EOE.

tap(Arg, Effect) ->

    Effect(Arg),

    Arg.



-spec apply1(fun((EOG) -> EOH), EOG) -> EOH.

apply1(Fun, Arg1) ->

    Fun(Arg1).



-spec apply2(fun((EOI, EOJ) -> EOK), EOI, EOJ) -> EOK.

apply2(Fun, Arg1, Arg2) ->

    Fun(Arg1, Arg2).



-spec apply3(fun((EOL, EOM, EON) -> EOO), EOL, EOM, EON) -> EOO.

apply3(Fun, Arg1, Arg2, Arg3) ->

    Fun(Arg1, Arg2, Arg3).