go issue41124 源码
golang issue41124 代码
文件路径：/src/cmd/compile/internal/types2/testdata/fixedbugs/issue41124.go
// 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 p
// Test case from issue.
type Nat /* ERROR cycle */ interface {
Zero|Succ
}
type Zero struct{}
type Succ struct{
Nat // Nat contains type constraints but is invalid, so no error
}
// Struct tests.
type I1 interface {
comparable
}
type I2 interface {
~int
}
type I3 interface {
I1
I2
}
type _ struct {
f I1 // ERROR interface is .* comparable
}
type _ struct {
comparable // ERROR interface is .* comparable
}
type _ struct{
I1 // ERROR interface is .* comparable
}
type _ struct{
I2 // ERROR interface contains type constraints
}
type _ struct{
I3 // ERROR interface contains type constraints
}
// General composite types.
type (
_ [10]I1 // ERROR interface is .* comparable
_ [10]I2 // ERROR interface contains type constraints
_ []I1 // ERROR interface is .* comparable
_ []I2 // ERROR interface contains type constraints
_ *I3 // ERROR interface contains type constraints
_ map[I1 /* ERROR interface is .* comparable */ ]I2 // ERROR interface contains type constraints
_ chan I3 // ERROR interface contains type constraints
_ func(I1 /* ERROR interface is .* comparable */ )
_ func() I2 // ERROR interface contains type constraints
)
// Other cases.
var _ = [...]I3 /* ERROR interface contains type constraints */ {}
func _(x interface{}) {
_ = x.(I3 /* ERROR interface contains type constraints */ )
}
type T1[_ any] struct{}
type T3[_, _, _ any] struct{}
var _ T1[I2 /* ERROR interface contains type constraints */ ]
var _ T3[int, I2 /* ERROR interface contains type constraints */ , float32]
func f1[_ any]() int { panic(0) }
var _ = f1[I2 /* ERROR interface contains type constraints */ ]()
func f3[_, _, _ any]() int { panic(0) }
var _ = f3[int, I2 /* ERROR interface contains type constraints */ , float32]()
func _(x interface{}) {
switch x.(type) {
case I2 /* ERROR interface contains type constraints */ :
}
}
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