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std.Io: delete FindByteWriter

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This commit is contained in:
Andrew Kelley 2025-07-20 17:15:09 -07:00
parent 03a6892189
commit af0a02a2de
2 changed files with 0 additions and 43 deletions
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3
lib/std/Io.zig
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@ -462,9 +462,6 @@ pub const bitReader = @import("Io/bit_reader.zig").bitReader;
pub const BitWriter = @import("Io/bit_writer.zig").BitWriter;
pub const bitWriter = @import("Io/bit_writer.zig").bitWriter;
pub const FindByteWriter = @import("Io/find_byte_writer.zig").FindByteWriter;
pub const findByteWriter = @import("Io/find_byte_writer.zig").findByteWriter;
pub const tty = @import("Io/tty.zig");
/// A Writer that doesn't write to anything.

40
lib/std/Io/find_byte_writer.zig
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@ -1,40 +0,0 @@
const std = @import("../std.zig");
const io = std.io;
const assert = std.debug.assert;
/// A Writer that returns whether the given character has been written to it.
/// The contents are not written to anything.
pub fn FindByteWriter(comptime UnderlyingWriter: type) type {
return struct {
const Self = @This();
pub const Error = UnderlyingWriter.Error;
pub const Writer = io.GenericWriter(*Self, Error, write);
underlying_writer: UnderlyingWriter,
byte_found: bool,
byte: u8,
pub fn writer(self: *Self) Writer {
return .{ .context = self };
}
fn write(self: *Self, bytes: []const u8) Error!usize {
if (!self.byte_found) {
self.byte_found = blk: {
for (bytes) |b|
if (b == self.byte) break :blk true;
break :blk false;
};
}
return self.underlying_writer.write(bytes);
}
};
}
pub fn findByteWriter(byte: u8, underlying_writer: anytype) FindByteWriter(@TypeOf(underlying_writer)) {
return FindByteWriter(@TypeOf(underlying_writer)){
.underlying_writer = underlying_writer,
.byte = byte,
.byte_found = false,
};
}