go shortcircuit 源码
golang shortcircuit 代码
文件路径：/test/codegen/shortcircuit.go
// asmcheck
// Copyright 2020 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 codegen
func efaceExtract(e interface{}) int {
// This should be compiled with only
// a single conditional jump.
// amd64:-"JMP"
if x, ok := e.(int); ok {
return x
}
return 0
}
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