go init1 源码
golang init1 代码
文件路径：/src/cmd/compile/internal/types2/testdata/check/init1.go
// Copyright 2013 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.
// initialization cycles
package init1
// issue 6683 (marked as WorkingAsIntended)
type T0 struct{}
func (T0) m() int { return y0 }
var x0 = T0{}
var y0 /* ERROR initialization cycle */ = x0.m()
type T1 struct{}
func (T1) m() int { return y1 }
var x1 interface {
m() int
} = T1{}
var y1 = x1.m() // no cycle reported, x1 is of interface type
// issue 6703 (modified)
var x2 /* ERROR initialization cycle */ = T2.m
var y2 = x2
type T2 struct{}
func (T2) m() int {
_ = y2
return 0
}
var x3 /* ERROR initialization cycle */ = T3.m(T3{}) // <<<< added (T3{})
var y3 = x3
type T3 struct{}
func (T3) m() int {
_ = y3
return 0
}
var x4 /* ERROR initialization cycle */ = T4{}.m // <<<< added {}
var y4 = x4
type T4 struct{}
func (T4) m() int {
_ = y4
return 0
}
var x5 /* ERROR initialization cycle */ = T5{}.m() // <<<< added ()
var y5 = x5
type T5 struct{}
func (T5) m() int {
_ = y5
return 0
}
// issue 4847
// simplified test case
var x6 = f6
var y6 /* ERROR initialization cycle */ = f6
func f6() { _ = y6 }
// full test case
type (
E int
S int
)
type matcher func(s *S) E
func matchList(s *S) E { return matcher(matchAnyFn)(s) }
var foo = matcher(matchList)
var matchAny /* ERROR initialization cycle */ = matcher(matchList)
func matchAnyFn(s *S) (err E) { return matchAny(s) }
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