From cddb0ff3ed01f0ff13d6f98085a41b1d0866f6ad Mon Sep 17 00:00:00 2001
From: inoas <mail@inoas.com>
Date: Sat, 25 Jun 2022 16:33:29 +0200
Subject: attempt at fixing missing tco

---
 src/gleam/list.gleam | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/gleam/list.gleam b/src/gleam/list.gleam
index 9c554f7..8beeeb9 100644
--- a/src/gleam/list.gleam
+++ b/src/gleam/list.gleam
@@ -790,7 +790,19 @@ pub fn find_map(
 pub fn all(in list: List(a), satisfying predicate: fn(a) -> Bool) -> Bool {
   case list {
     [] -> True
-    [x, ..rest] -> predicate(x) && all(rest, predicate)
+    list -> all_tail_recursive(list, predicate, True)
+  }
+}
+
+fn all_tail_recursive(
+  list: List(a),
+  predicate: fn(a) -> Bool,
+  accumulator: Bool,
+) -> Bool {
+  case list {
+    [] -> accumulator
+    [x, ..rest] ->
+      all_tail_recursive(rest, predicate, accumulator && predicate(x))
   }
 }
 
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