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// 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
type _[a, b] /* ERROR "missing type constraint" */ struct{}
type _[a t, b t, c] /* ERROR "missing type constraint" */ struct{}
type _ struct {
t [n]byte
t[a]
t[a,]
t[a, b]
t[a, b,]
}
type _ struct {
t [n, /* ERROR "unexpected comma; expecting ]" */ ]byte
}
type _ interface {
t[a]
t[a,]
m[ /* ERROR "method must have no type parameters" */ _ _, /* ERROR mixed */ _]()
t[a, b]
t[a, b,]
}
func _[] /* ERROR "empty type parameter list" */ ()
func _[a, b ] /* ERROR "missing type constraint" */ ()
func _[a t, b t, c] /* ERROR "missing type constraint" */ ()
// TODO(rfindley) incorrect error message (see existing TODO in parser)
func f[a b, 0 /* ERROR "expected '\)', found 0" */ ] ()
// go.dev/issue/49482
type (
_[a *[]int] struct{}
_[a *t,] struct{}
_[a *t|[]int] struct{}
_[a *t|t,] struct{}
_[a *t|~t,] struct{}
_[a *struct{}|t] struct{}
_[a *t|struct{}] struct{}
_[a *struct{}|~t] struct{}
)
// go.dev/issue/51488
type (
_[a *t|t,] struct{}
_[a *t|t, b t] struct{}
_[a *t|t] struct{}
_[a *[]t|t] struct{}
_[a ([]t)] struct{}
_[a ([]t)|t] struct{}
)
// go.dev/issue/60812
type (
_ [t]struct{}
_ [[]t]struct{}
_ [[t]t]struct{}
_ [t /* ERROR "missing type parameter name or invalid array length" */ [t]]struct{}
_ [t t[t], t /* ERROR "missing type parameter name" */ [t]]struct{}
_ [t /* ERROR "missing type parameter name" */ [t], t t[t]]struct{}
_ [t /* ERROR "missing type parameter name" */ [t], t[t]]struct{} // report only first error
)