From 7d1184a140d35973797078995c82b2cd586e4026 Mon Sep 17 00:00:00 2001
From: David Pflug <david@pflug.io>
Date: Sat, 13 Dec 2025 12:01:10 -0500
Subject: [PATCH] Update to new Zig mem trim API

trimRight is now trimEnd
---
 build.zig      | 8 ++++----
 test/tests.zig | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/build.zig b/build.zig
index 750732c..a936832 100644
--- a/build.zig
+++ b/build.zig
@@ -473,7 +473,7 @@ const ZiglingStep = struct {
             .Exited => |code| {
                 if (code != 0) {
                     // The test failed.
-                    const stderr = std.mem.trimRight(u8, result.stderr, " \r\n");
+                    const stderr = std.mem.trimEnd(u8, result.stderr, " \r\n");
 
                     return self.step.fail("\n{s}", .{stderr});
                 }
@@ -594,7 +594,7 @@ pub fn trimLines(allocator: std.mem.Allocator, buf: []const u8) ![]const u8 {
     var iter = std.mem.splitSequence(u8, buf, " \n");
     while (iter.next()) |line| {
         // TODO: trimming CR characters is probably not necessary.
-        const data = std.mem.trimRight(u8, line, " \r");
+        const data = std.mem.trimEnd(u8, line, " \r");
         try list.appendSlice(allocator, data);
         try list.append(allocator, '\n');
     }
@@ -603,7 +603,7 @@ pub fn trimLines(allocator: std.mem.Allocator, buf: []const u8) ![]const u8 {
 
     // Remove the trailing LF character, that is always present in the exercise
     // output.
-    return std.mem.trimRight(u8, result, "\n");
+    return std.mem.trimEnd(u8, result, "\n");
 }
 
 /// Prints a message to stderr.
@@ -655,7 +655,7 @@ fn validate_exercises() bool {
 
         var iter = std.mem.splitScalar(u8, ex.output, '\n');
         while (iter.next()) |line| {
-            const output = std.mem.trimRight(u8, line, " \r");
+            const output = std.mem.trimEnd(u8, line, " \r");
             if (output.len != line.len) {
                 print("exercise {s} output field lines have trailing whitespace\n", .{
                     ex.main_file,
diff --git a/test/tests.zig b/test/tests.zig
index a242ca6..9a8e9e9 100644
--- a/test/tests.zig
+++ b/test/tests.zig
@@ -303,7 +303,7 @@ fn check(
 
 fn readLine(reader: *fs.File.Reader, buf: []u8) !?[]const u8 {
     try reader.interface.readSliceAll(buf);
-    return mem.trimRight(u8, buf, " \r\n");
+    return mem.trimEnd(u8, buf, " \r\n");
 }
 
 /// Fails with a custom error message.