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// Copyright 2021 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
func f[_ comparable]() {}
func g[_ interface{interface{comparable; ~int|~string}}]() {}
func _[P comparable,
Q interface{ comparable; ~int|~string },
R any, // not comparable
S interface{ comparable; ~func() }, // not comparable
]() {
_ = f[int]
_ = f[P]
_ = f[Q]
_ = f[func( /* ERROR does not satisfy comparable */ )]
_ = f[R /* ERROR R has no constraints */ ]
_ = g[int]
_ = g[P /* ERROR P has no type constraints */ ]
_ = g[Q]
_ = g[func( /* ERROR does not satisfy comparable */ )]
_ = g[R /* ERROR R has no constraints */ ]
}
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