Std: Option::isNone

nois-lang · Apr 9, 2024 · 281119a · 281119a
1 parent 4562ce8
commit 281119a
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/std/option.no b/src/std/option.no
@@ -20,6 +20,10 @@ impl <T> Option<T> {
         }
     }
 
+    pub fn isNone(self): Bool {
+        self.isSome().not()
+    }
+
     pub fn or(self, other: Option<T>): Option<T> {
         match self {
             Some() { self }