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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, nowarn_unused_vars]).



-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((ESR) -> ESS), fun((ESS) -> EST)) -> fun((ESR) -> EST).

compose(Fun1, Fun2) ->

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



-spec curry2(fun((ESU, ESV) -> ESW)) -> fun((ESU) -> fun((ESV) -> ESW)).

curry2(Fun) ->

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



-spec curry3(fun((ESY, ESZ, ETA) -> ETB)) -> fun((ESY) -> fun((ESZ) -> fun((ETA) -> ETB))).

curry3(Fun) ->

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



-spec curry4(fun((ETD, ETE, ETF, ETG) -> ETH)) -> fun((ETD) -> fun((ETE) -> fun((ETF) -> fun((ETG) -> ETH)))).

curry4(Fun) ->

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



-spec curry5(fun((ETJ, ETK, ETL, ETM, ETN) -> ETO)) -> fun((ETJ) -> fun((ETK) -> fun((ETL) -> fun((ETM) -> fun((ETN) -> ETO))))).

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((ETQ, ETR, ETS, ETT, ETU, ETV) -> ETW)) -> fun((ETQ) -> fun((ETR) -> fun((ETS) -> fun((ETT) -> fun((ETU) -> fun((ETV) -> ETW)))))).

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((ETY, ETZ) -> EUA)) -> fun((ETZ, ETY) -> EUA).

flip(Fun) ->

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



-spec identity(EUB) -> EUB.

identity(X) ->

    X.



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

constant(Value) ->

    fun(_) -> Value end.



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

tap(Arg, Effect) ->

    Effect(Arg),

    Arg.



-spec apply1(fun((EUG) -> EUH), EUG) -> EUH.

apply1(Fun, Arg1) ->

    Fun(Arg1).



-spec apply2(fun((EUI, EUJ) -> EUK), EUI, EUJ) -> EUK.

apply2(Fun, Arg1, Arg2) ->

    Fun(Arg1, Arg2).



-spec apply3(fun((EUL, EUM, EUN) -> EUO), EUL, EUM, EUN) -> EUO.

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

    Fun(Arg1, Arg2, Arg3).