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// errorcheck
// Copyright 2022 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
// Self recursion.
type i interface{ m() interface{ i } } // ERROR "invalid recursive type"
type _ interface{ i } // no redundant error
// Mutual recursion.
type j interface{ m() interface{ k } } // ERROR "invalid recursive type"
type k interface{ m() interface{ j } }
// Both self and mutual recursion.
type (
a interface { // ERROR "invalid recursive type"
m() interface {
a
b
}
}
b interface {
m() interface {
a
b
}
}
)
// Self recursion through other types.
func _() { type i interface{ m() *interface{ i } } } // ERROR "invalid recursive type"
func _() { type i interface{ m() []interface{ i } } } // ERROR "invalid recursive type"
func _() { type i interface{ m() [0]interface{ i } } } // ERROR "invalid recursive type"
func _() { type i interface{ m() chan interface{ i } } } // ERROR "invalid recursive type"
func _() { type i interface{ m() map[interface{ i }]int } } // ERROR "invalid recursive type"
func _() { type i interface{ m() map[int]interface{ i } } } // ERROR "invalid recursive type"
func _() { type i interface{ m() func(interface{ i }) } } // ERROR "invalid recursive type"
func _() { type i interface{ m() func() interface{ i } } } // ERROR "invalid recursive type"
func _() {
type i interface { // ERROR "invalid recursive type"
m() struct{ i interface{ i } }
}
}
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