From 469e88eef91320815d709ca79b512479b2427420 Mon Sep 17 00:00:00 2001 From: Robert Peterson Date: Tue, 16 Apr 2019 15:24:35 -0700 Subject: Add list:any --- gen/src/list.erl | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) (limited to 'gen/src/list.erl') diff --git a/gen/src/list.erl b/gen/src/list.erl index 9c26eba..97c0579 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]). +-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]). length(A) -> erlang:length(A). @@ -186,3 +186,18 @@ all(List, F) -> false end end. + +any(List, F) -> + case List of + [] -> + false; + + [X | Rest] -> + case F(X) of + false -> + any(Rest, F); + + _ -> + true + end + end. -- cgit v1.2.3