Data update

Task/Menu/Langur/menu.langur

@@ -1,21 +1,21 @@
-val .select = impure fn(.entries) {
-    if .entries is not list: throw "invalid args"
-    if len(.entries) == 0: return ""
+val choose = impure fn(entries) {
+    if entries is not list: throw "invalid args"
+    if not entries: return ""
 
     # print the menu
-    writeln join "\n", map(fn(.e, .i) $"\.i:2;: \.e;", .entries, 1..len .entries)
+    writeln join("\n", map(fn e, i: "{{i:2}}: {{e}}", entries, 1..len(entries)))
 
-    val .idx = number read(
+    val idx = read(
         "Select entry #: ",
-        fn(.x) {
-            if not .x -> RE/^[0-9]+$/: return false
-            val .y = number .x
-            .y > 0 and .y <= len(.entries)
+        fn(x) {
+            if not x -> RE/^[0-9]+$/: return false
+            val y = x -> number
+            y > 0 and y <= len(entries)
         },
         "invalid selection\n", -1,
-    )
+    ) -> number
 
-    .entries[.idx]
+    entries[idx]
 }
 
-writeln .select(["fee fie", "eat pi", "huff and puff", "tick tock"])
+writeln choose(["fee fie", "eat pi", "huff and puff", "tick tock"])