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| author | Robert Peterson <robert.peterson@gmail.com> | 2019-04-16 15:23:19 -0700 |
|---|---|---|
| committer | Louis Pilfold <louis@lpil.uk> | 2019-04-17 16:12:57 +0100 |
| commit | 7275a9ef72e79bbf33a47abdb72b4596a10505d8 (patch) | |
| tree | c3e99d5fc8d705fec0a41a09d5310f0730f8fb7d /gen/src | |
| parent | f44fc0bae0acb01874bc8226dac6cd53f6087bff (diff) | |
| download | gleam_stdlib-7275a9ef72e79bbf33a47abdb72b4596a10505d8.tar.gz gleam_stdlib-7275a9ef72e79bbf33a47abdb72b4596a10505d8.zip | |
Add list:all
Diffstat (limited to 'gen/src')
| -rw-r--r-- | gen/src/list.erl | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/gen/src/list.erl b/gen/src/list.erl index b606f22..9c26eba 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]). +-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]). length(A) -> erlang:length(A). @@ -171,3 +171,18 @@ find(Haystack, F) -> find(Rest, F) end end. + +all(List, F) -> + case List of + [] -> + true; + + [X | Rest] -> + case F(X) of + true -> + all(Rest, F); + + _ -> + false + end + end. |