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| author | Robert Peterson <robert.peterson@gmail.com> | 2019-04-16 17:00:25 -0700 |
|---|---|---|
| committer | Louis Pilfold <louis@lpil.uk> | 2019-04-17 16:12:57 +0100 |
| commit | 6ae1f2cf51868e2bd05ae47ec1cf09344dc1393b (patch) | |
| tree | 57dc58419990cc6219be353f6f0b758024112ff2 /gen/src | |
| parent | 933dc2c4b723ad45d96a7bfc6fb0fb4651550d05 (diff) | |
| download | gleam_stdlib-6ae1f2cf51868e2bd05ae47ec1cf09344dc1393b.tar.gz gleam_stdlib-6ae1f2cf51868e2bd05ae47ec1cf09344dc1393b.zip | |
Add list:zip
Diffstat (limited to 'gen/src')
| -rw-r--r-- | gen/src/list.erl | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/gen/src/list.erl b/gen/src/list.erl index 97c0579..39a30a3 100644 --- a/gen/src/list.erl +++ b/gen/src/list.erl @@ -1,7 +1,7 @@ -module(list). -compile(no_auto_import). --export([length/1, reverse/1, is_empty/1, contains/2, head/1, tail/1, filter/2, map/2, traverse/2, drop/2, take/2, new/0, append/2, flatten/1, fold/3, fold_right/3, find/2, all/2, any/2]). +-export([length/1, reverse/1, is_empty/1, contains/2, head/1, tail/1, filter/2, map/2, traverse/2, drop/2, take/2, new/0, append/2, flatten/1, fold/3, fold_right/3, find/2, all/2, any/2, zip/2]). length(A) -> erlang:length(A). @@ -201,3 +201,15 @@ any(List, F) -> true end end. + +zip(L1, L2) -> + case {L1, L2} of + {[], _} -> + []; + + {_, []} -> + []; + + {[X1 | Rest1], [X2 | Rest2]} -> + [{X1, X2} | zip(Rest1, Rest2)] + end. |