From d14f97efa894ee732e2395b8c0ca101764b40587 Mon Sep 17 00:00:00 2001
From: Meghan Denny <hello@nektro.net>
Date: Wed, 4 Feb 2026 18:48:15 -0800
Subject: [PATCH] add asciiLower

---
 src/asciiLower.zig | 17 +++++++++++++++++
 src/lib.zig        |  1 +
 2 files changed, 18 insertions(+)
 create mode 100644 src/asciiLower.zig

diff --git a/src/asciiLower.zig b/src/asciiLower.zig
new file mode 100644
index 0000000000000000000000000000000000000000..3a61a49144c3e4bc64b4fb7881b2e22c35600f15
--- /dev/null
+++ b/src/asciiLower.zig
@@ -0,0 +1,17 @@
+const std = @import("std");
+const string = []const u8;
+const extras = @import("./lib.zig");
+
+pub fn asciiLower(alloc: std.mem.Allocator, input: string) ![:0]u8 {
+    var buf = try alloc.dupeZ(u8, input);
+    for (input, 0..) |c, i| buf[i] = std.ascii.toLower(c);
+    return buf;
+}
+
+pub fn asciiLowerComptime(comptime input: string) [:0]u8 {
+    var buf: [input.len + 1]u8 = undefined;
+    for (input, 0..) |c, i| buf[i] = std.ascii.toLower(c);
+    buf[input.len] = 0;
+    const result = buf[0..input.len :0];
+    return result;
+}
diff --git a/src/lib.zig b/src/lib.zig
index d5e3371a050a41637d89f60e203ffe83e420baf2..b1e19c6f381c3441384bbd28a0b54c6aa8850466 100644
--- a/src/lib.zig
+++ b/src/lib.zig
@@ -117,3 +117,4 @@ pub usingnamespace @import("./ManyArrayList.zig");
 pub usingnamespace @import("./compareFnBasic.zig");
 pub usingnamespace @import("./compareFnField.zig");
 pub usingnamespace @import("./compareFnRange.zig");
+pub usingnamespace @import("./asciiLower.zig");
-- 
2.54.0