You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: input.go
    path of file: ./repos/gdlv/vendor/github.com/go-text/typesetting/shaping
    
    the code of the file until where you have to start completion: // SPDX-License-Identifier: Unlicense OR BSD-3-Clause

package shaping

import (
	"un
    
func ignoreFaceChange(r rune) bool {
	return unicode.Is(unicode.Cc, r) || // control
		unicode.Is(unicode.Cs, r) || // surrogate
		unicode.Is(unicode.Zl, r) || // line separator
		unicode.Is(unicode.Zp, r) || // paragraph separator
		(unicode.Is(unicode.Zs, r) && r != '\u1680') || // space separator != OGHAM SPACE MARK
		harfbuzz.IsDefaultIgnorable(r)
}