From d9ffe3263a8d50114376b3eebaf6ab634332e2e2 Mon Sep 17 00:00:00 2001
From: Meghan Denny <hello@nektro.net>
Date: Thu, 13 Feb 2025 12:31:39 -0800
Subject: [PATCH] add isContainer

---
 src/isContainer.zig | 32 ++++++++++++++++++++++++++++++++
 src/lib.zig         |  1 +
 2 files changed, 33 insertions(+)
 create mode 100644 src/isContainer.zig

diff --git a/src/isContainer.zig b/src/isContainer.zig
new file mode 100644
index 0000000000000000000000000000000000000000..3adf2c33e9c275cfa0ffc659df25f3c832583471
--- /dev/null
+++ b/src/isContainer.zig
@@ -0,0 +1,32 @@
+const std = @import("std");
+const string = []const u8;
+const extras = @import("./lib.zig");
+
+pub fn isContainer(comptime T: type) bool {
+    return switch (@typeInfo(T)) {
+        .Struct,
+        .Union,
+        .Enum,
+        .Opaque,
+        => true,
+        else => false,
+    };
+}
+
+test {
+    const TestStruct = struct {};
+    const TestUnion = union {
+        a: void,
+    };
+    const TestEnum = enum {
+        A,
+        B,
+    };
+    const TestOpaque = opaque {};
+
+    try std.testing.expect(isContainer(TestStruct));
+    try std.testing.expect(isContainer(TestUnion));
+    try std.testing.expect(isContainer(TestEnum));
+    try std.testing.expect(isContainer(TestOpaque));
+    try std.testing.expect(!isContainer(u8));
+}
diff --git a/src/lib.zig b/src/lib.zig
index 63bfa8efd344049127924efd0c29342726b3f669..3e34729afb6ade7b2e0e2c4c10245bc3eede9f8a 100644
--- a/src/lib.zig
+++ b/src/lib.zig
@@ -102,3 +102,4 @@ pub usingnamespace @import("./matchesNone.zig");
 pub usingnamespace @import("./indexOfSlice.zig");
 pub usingnamespace @import("./mapBy.zig");
 pub usingnamespace @import("./lessThanBy.zig");
+pub usingnamespace @import("./isContainer.zig");
-- 
2.54.0