From 31ec837a38440ea317bfc967b77c6ea13ec48d87 Mon Sep 17 00:00:00 2001
From: Meghan Denny <hello@nektro.net>
Date: Sat, 3 Jun 2023 12:20:00 -0700
Subject: [PATCH] add isArrayOf

---
 src/lib.zig | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/lib.zig b/src/lib.zig
index d3da348222e67d6ec9dcbe646bb000443a08561f..aa73430b90531e67f45838ca8ae7b40614e0d5d1 100644
--- a/src/lib.zig
+++ b/src/lib.zig
@@ -502,3 +502,15 @@ pub fn parse_json(alloc: std.mem.Allocator, input: string) !std.json.ValueTree {
     var p = std.json.Parser.init(alloc, .alloc_always);
     return try p.parse(input);
 }
+
+pub fn isArrayOf(comptime T: type) std.meta.trait.TraitFn {
+    const Closure = struct {
+        pub fn trait(comptime C: type) bool {
+            return switch (@typeInfo(C)) {
+                .Array => |ti| ti.child == T,
+                else => false,
+            };
+        }
+    };
+    return Closure.trait;
+}
-- 
2.54.0