From d9a5a3e8c55b501afe0d9df232d613f6b445f14f Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Sun, 20 Jul 2025 17:09:15 -0700
Subject: [PATCH] std.Io: delete MultiWriter

nah
---
 lib/std/Io.zig              |  3 ---
 lib/std/Io/multi_writer.zig | 53 -------------------------------------
 2 files changed, 56 deletions(-)
 delete mode 100644 lib/std/Io/multi_writer.zig

diff --git a/lib/std/Io.zig b/lib/std/Io.zig
index 26838517cd..df5ef7aef8 100644
--- a/lib/std/Io.zig
+++ b/lib/std/Io.zig
@@ -456,9 +456,6 @@ pub const countingWriter = @import("Io/counting_writer.zig").countingWriter;
 pub const CountingReader = @import("Io/counting_reader.zig").CountingReader;
 pub const countingReader = @import("Io/counting_reader.zig").countingReader;
 
-pub const MultiWriter = @import("Io/multi_writer.zig").MultiWriter;
-pub const multiWriter = @import("Io/multi_writer.zig").multiWriter;
-
 pub const BitReader = @import("Io/bit_reader.zig").BitReader;
 pub const bitReader = @import("Io/bit_reader.zig").bitReader;
 
diff --git a/lib/std/Io/multi_writer.zig b/lib/std/Io/multi_writer.zig
deleted file mode 100644
index 20e9e782de..0000000000
--- a/lib/std/Io/multi_writer.zig
+++ /dev/null
@@ -1,53 +0,0 @@
-const std = @import("../std.zig");
-const io = std.io;
-
-/// Takes a tuple of streams, and constructs a new stream that writes to all of them
-pub fn MultiWriter(comptime Writers: type) type {
-    comptime var ErrSet = error{};
-    inline for (@typeInfo(Writers).@"struct".fields) |field| {
-        const StreamType = field.type;
-        ErrSet = ErrSet || StreamType.Error;
-    }
-
-    return struct {
-        const Self = @This();
-
-        streams: Writers,
-
-        pub const Error = ErrSet;
-        pub const Writer = io.GenericWriter(*Self, Error, write);
-
-        pub fn writer(self: *Self) Writer {
-            return .{ .context = self };
-        }
-
-        pub fn write(self: *Self, bytes: []const u8) Error!usize {
-            inline for (self.streams) |stream|
-                try stream.writeAll(bytes);
-            return bytes.len;
-        }
-    };
-}
-
-pub fn multiWriter(streams: anytype) MultiWriter(@TypeOf(streams)) {
-    return .{ .streams = streams };
-}
-
-const testing = std.testing;
-
-test "MultiWriter" {
-    var tmp = testing.tmpDir(.{});
-    defer tmp.cleanup();
-    var f = try tmp.dir.createFile("t.txt", .{});
-
-    var buf1: [255]u8 = undefined;
-    var fbs1 = io.fixedBufferStream(&buf1);
-    var buf2: [255]u8 = undefined;
-    var stream = multiWriter(.{ fbs1.writer(), f.writer() });
-
-    try stream.writer().print("HI", .{});
-    f.close();
-
-    try testing.expectEqualSlices(u8, "HI", fbs1.getWritten());
-    try testing.expectEqualSlices(u8, "HI", try tmp.dir.readFile("t.txt", &buf2));
-}