diff --git a/lynglib/src/commonMain/kotlin/net/sergeych/lyng/stdlib_included/root_lyng.kt b/lynglib/src/commonMain/kotlin/net/sergeych/lyng/stdlib_included/root_lyng.kt
index 154fadd..00cbea5 100644
--- a/lynglib/src/commonMain/kotlin/net/sergeych/lyng/stdlib_included/root_lyng.kt
+++ b/lynglib/src/commonMain/kotlin/net/sergeych/lyng/stdlib_included/root_lyng.kt
@@ -103,12 +103,7 @@ fun Iterable.any(predicate): Bool {
 }
 
 fun Iterable.all(predicate): Bool {
-    for( i in this ) {
-        if( !predicate(i) ) {
-            break false
-        }
-    }
-    else true
+    !any { !predicate(it) }
 }
     
 """.trimIndent()