Data commit

Task/Apply-a-callback-to-an-array/Jakt/apply-a-callback-to-an-array.jakt

@@ -0,0 +1,14 @@
+fn map<T, U>(anon array: [T], function: fn(anon x: T) -> U) throws -> [U] {
+    mut result: [U] = []
+    result.ensure_capacity(array.size())
+    for item in array {
+        result.push(value: function(item))
+    }
+    return result
+}
+
+fn main() {
+    let array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+    let array_squared = map(array, function: fn(anon n: i64) => n * n)
+    println("{}", array_squared)
+}