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go/test/typeparam/tparam1.go
Matthew Dempsky e24977d231 all: avoid use of cmd/compile -G flag in tests
The next CL will remove the -G flag, effectively hard-coding it to its
current default (-G=3).

Change-Id: Ib4743b529206928f9f1cca9fdb19989728327831
Reviewed-on: https://go-review.googlesource.com/c/go/+/388534
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-03-01 19:45:34 +00:00

44 lines
1.1 KiB
Go

// errorcheck
// 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.
// Basic type parameter list type-checking (not syntax) errors.
package tparam1
// The predeclared identifier "any" may be used in place of interface{}.
var _ any
func _(_ any)
type _[_ any] struct{}
const N = 10
type (
_ []struct{} // slice
_ [N]struct{} // array
_[T any] struct{}
_[T, T any] struct{} // ERROR "T redeclared"
_[T1, T2 any, T3 any] struct{}
)
func _[T any]() {}
func _[T, T any]() {} // ERROR "T redeclared"
func _[T1, T2 any](x T1) T2 { panic(0) }
// Type parameters are visible from opening [ to end of function.
type C interface{}
func _[T interface{}]() {}
func _[T C]() {}
func _[T struct{}]() {} // ok if #48424 is accepted
func _[T interface{ m() T }]() {}
func _[T1 interface{ m() T2 }, T2 interface{ m() T1 }]() {
var _ T1
}
// TODO(gri) expand this