golang bits_errors_bootstrap 代码
文件路径:/src/math/bits/bits_errors_bootstrap.go
/ Copyright 2019 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.
/go:build compiler_bootstrap
/ +build compiler_bootstrap
/ This version used only for bootstrap (on this path we want
/ to avoid use of go:linkname as applied to variables).
package bits
type errorString string
func (e errorString) RuntimeError() {}
func (e errorString) Error() string {
return "runtime error: " + string(e)
}
var overflowError = error(errorString("integer overflow"))
var divideError = error(errorString("integer divide by zero"))