feat(stdlib): Add Array.zip function (#719)

Co-authored-by: Philip Blair <[email protected]>
grain-lang · Jun 13, 2021 · 1dc7f56 · 1dc7f56
1 parent 4474f88
commit 1dc7f56
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/stdlib/array.gr b/stdlib/array.gr
@@ -373,3 +373,14 @@ export let unique = (array) => {
     array
   )
 }
+
+export let zip = (a, b) => {
+  let len = length(a)
+  if (len != length(b)) {
+    fail "arguments to zip must be same length"
+  } else {
+    init(len, n => {
+      (a[n], b[n])
+    })
+  }
+}