Packages

gleam_stdlib

0.22.0
1.0.3 1.0.2 1.0.1 1.0.0 0.71.0 0.70.0 0.69.0 0.68.1 0.68.0 0.67.1 0.67.0 0.65.0 0.64.0 0.63.2 0.63.1 0.63.0 0.62.1 0.62.0 0.61.0 0.60.0 0.59.0 0.58.0 0.57.0 0.56.0 0.55.0 0.54.0 0.53.0 0.52.0 0.51.0 0.50.0 0.49.0 0.48.0 0.47.0 0.46.0 0.45.0 0.44.0 0.43.0 0.42.0 0.41.0 0.40.0 0.39.0 0.38.0 0.37.0 0.36.0 0.35.1 0.35.0 0.34.0 0.33.1 0.33.0 0.32.1 0.32.0 0.31.0 0.30.2 0.30.1 0.30.0 0.29.2 0.29.1 0.29.0 0.28.2 0.28.1 0.28.0 0.27.0 0.26.1 0.26.0 0.25.0 0.24.0 0.23.0 0.22.3 0.22.2 0.22.1 0.22.0 0.21.0 0.20.0 0.19.3 0.19.2 0.19.1 0.19.0 0.18.1 0.18.0 0.18.0-rc1 0.17.1 0.17.0 0.16.0 0.15.0 0.14.0 0.13.0 0.12.0 0.11.0 0.10.1 0.10.0 0.9.0 0.8.0 0.7.0 0.6.0 0.5.0 0.4.0 0.4.0-rc1 0.3.1 0.3.0 0.2.0 retired

A standard library for the Gleam programming language

HexDocs

Current section

Files

Jump to
Readme
100 Versions
0 Dependencies
1566 Dependants
Files
Activity
gleam_stdlib src gleam@pair.erl
Raw

src/gleam@pair.erl 

-module(gleam@pair).

-compile(no_auto_import).



-export([first/1, second/1, swap/1, map_first/2, map_second/2]).



-spec first({DY, any()}) -> DY.

first(Pair) ->

    {A, _@1} = Pair,

    A.



-spec second({any(), EB}) -> EB.

second(Pair) ->

    {_@1, A} = Pair,

    A.



-spec swap({EC, ED}) -> {ED, EC}.

swap(Pair) ->

    {A, B} = Pair,

    {B, A}.



-spec map_first({EE, EF}, fun((EE) -> EG)) -> {EG, EF}.

map_first(Pair, Fun) ->

    {A, B} = Pair,

    {Fun(A), B}.



-spec map_second({EH, EI}, fun((EI) -> EJ)) -> {EH, EJ}.

map_second(Pair, Fun) ->

    {A, B} = Pair,

    {A, Fun(B)}.