diff options
Diffstat (limited to 'lib/std/Io/find_byte_writer.zig')
| -rw-r--r-- | lib/std/Io/find_byte_writer.zig | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/lib/std/Io/find_byte_writer.zig b/lib/std/Io/find_byte_writer.zig deleted file mode 100644 index fe6836f603..0000000000 --- a/lib/std/Io/find_byte_writer.zig +++ /dev/null @@ -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, - }; -} |
