From 362b148d5763fa3d99d9c4c4c822e233a65fb48d Mon Sep 17 00:00:00 2001
From: Meghan Denny <hello@nektro.net>
Date: Sat, 21 Jun 2025 18:54:33 -0700
Subject: [PATCH] add join

---
 src/join.zig | 30 ++++++++++++++++++++++++++++++
 src/lib.zig  |  1 +
 2 files changed, 31 insertions(+)
 create mode 100644 src/join.zig

diff --git a/src/join.zig b/src/join.zig
new file mode 100644
index 0000000000000000000000000000000000000000..831c8a8647c0db3801a0e79e282d8485e88df4f2
--- /dev/null
+++ b/src/join.zig
@@ -0,0 +1,30 @@
+const std = @import("std");
+const string = []const u8;
+const extras = @import("./lib.zig");
+
+pub fn join(input: anytype) Join(@TypeOf(input)) {
+    const T = @TypeOf(input);
+    var x: Join(T) = undefined;
+    inline for (std.meta.fields(T)) |item| {
+        inline for (std.meta.fields(item.type)) |f| {
+            @field(x, f.name) = @field(@field(input, item.name), f.name);
+        }
+    }
+    return x;
+}
+
+pub fn Join(comptime T: type) type {
+    var fields: []const std.builtin.Type.StructField = &.{};
+    inline for (std.meta.fields(T)) |item| {
+        inline for (std.meta.fields(item.type)) |f| {
+            fields = fields ++ &[_]std.builtin.Type.StructField{.{
+                .name = f.name,
+                .type = f.type,
+                .default_value_ptr = null,
+                .is_comptime = false,
+                .alignment = @alignOf(f.type),
+            }};
+        }
+    }
+    return @Type(.{ .@"struct" = .{ .layout = .auto, .fields = fields, .decls = &.{}, .is_tuple = false } });
+}
diff --git a/src/lib.zig b/src/lib.zig
index 5337e1355ba7f90c7f38b8d8ea8be1461e6437df..35322712a34bcf234aa5ac292511d8c8dbc60baf 100644
--- a/src/lib.zig
+++ b/src/lib.zig
@@ -106,3 +106,4 @@ pub usingnamespace @import("./hasFields.zig");
 pub usingnamespace @import("./StructOfSlices.zig");
 pub usingnamespace @import("./StructOfArrays.zig");
 pub usingnamespace @import("./StaticMultiList.zig");
+pub usingnamespace @import("./join.zig");
-- 
2.54.0