Function printUnicodeCodepoint [src]

Prototype

pub fn printUnicodeCodepoint(w: *Writer, c: u21) Error!void

Parameters

w: *Writerc: u21

Possible Errors

WriteFailed

See the Writer implementation for detailed diagnostics.

Source

  pub fn printUnicodeCodepoint(w: *Writer, c: u21) Error!void {
    var buf: [4]u8 = undefined;
    const len = std.unicode.utf8Encode(c, &buf) catch |err| switch (err) {
        error.Utf8CannotEncodeSurrogateHalf, error.CodepointTooLarge => l: {
            buf[0..3].* = std.unicode.replacement_character_utf8;
            break :l 3;
        },
    };
    return w.writeAll(buf[0..len]);
}  