Editando: closure_test.go
// Copyright 2011 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 runtime_test import "testing" var s int func BenchmarkCallClosure(b *testing.B) { for i := 0; i < b.N; i++ { s += func(ii int) int { return 2 * ii }(i) } } func BenchmarkCallClosure1(b *testing.B) { for i := 0; i < b.N; i++ { j := i s += func(ii int) int { return 2*ii + j }(i) } } var ss *int func BenchmarkCallClosure2(b *testing.B) { for i := 0; i < b.N; i++ { j := i s += func() int { ss = &j return 2 }() } } func addr1(x int) *int { return func() *int { return &x }() } func BenchmarkCallClosure3(b *testing.B) { for i := 0; i < b.N; i++ { ss = addr1(i) } } func addr2() (x int, p *int) { return 0, func() *int { return &x }() } func BenchmarkCallClosure4(b *testing.B) { for i := 0; i < b.N; i++ { _, ss = addr2() } }
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