golang export_test 代码
文件路径：/src/unicode/utf16/export_test.go
/ Copyright 2012 The Go Authors. All rights reserved.
/ Use of this source code is governed by a BSD-style
/ license that can be found in the LICENSE file.
package utf16
/ Extra names for constants so we can validate them during testing.
const (
MaxRune = maxRune
ReplacementChar = replacementChar
)