impl[T: ToText] List[T]: ToText

candy-lang · Dec 5, 2024 · 223caa4 · 223caa4
1 parent 86ccbe1
commit 223caa4
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/packages_v5/example.candy b/packages_v5/example.candy
@@ -400,6 +400,14 @@ fun map[T, R](list: List[T], transform: (T) R) List[R] {
     result.append(transform(item))
   })
 }
+impl[T: ToText] List[T]: ToText {
+  fun toText(self: List[T]) Text {
+    let items = self.map((item: T) { item.toText() })
+      .reduce((result: Text, item: Text) { "{result}, {item}" })
+      .unwrapOr("")
+    "[{items}]"
+  }
+}
 
 struct MyStruct {
   name: Text,
@@ -611,6 +619,8 @@ fun main() Int {
 
   repeat(3, () { print("Hello, World!") })
 
+  print(listOf(1, 2, 3).map((x: Int) { x.multiply(2) }))
+
   0
 }