Commit d9a5a3e8c5
Changed files (2)
lib
std
lib/std/Io/multi_writer.zig
@@ -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));
-}
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;