diff options
Diffstat (limited to 'src/cmd/compile/internal/syntax/testdata')
| -rw-r--r-- | src/cmd/compile/internal/syntax/testdata/issue43527.go2 | 23 | ||||
| -rw-r--r-- | src/cmd/compile/internal/syntax/testdata/tparams.go2 | 10 |
2 files changed, 29 insertions, 4 deletions
diff --git a/src/cmd/compile/internal/syntax/testdata/issue43527.go2 b/src/cmd/compile/internal/syntax/testdata/issue43527.go2 new file mode 100644 index 0000000000..dd2c9b1272 --- /dev/null +++ b/src/cmd/compile/internal/syntax/testdata/issue43527.go2 @@ -0,0 +1,23 @@ +// 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 + +type ( + // 0 and 1-element []-lists are syntactically valid + _[A, B /* ERROR missing type constraint */ ] int + _[A, /* ERROR type parameters must be named */ interface{}] int + _[A, B, C /* ERROR missing type constraint */ ] int + _[A B, C /* ERROR missing type constraint */ ] int + _[A B, /* ERROR type parameters must be named */ interface{}] int + _[A B, /* ERROR type parameters must be named */ interface{}, C D] int + _[A B, /* ERROR type parameters must be named */ interface{}, C, D] int + _[A B, /* ERROR type parameters must be named */ interface{}, C, interface{}] int + _[A B, C interface{}, D, /* ERROR type parameters must be named */ interface{}] int +) + +// function type parameters use the same parsing routine - just have a couple of tests + +func _[A, B /* ERROR missing type constraint */ ]() {} +func _[A, /* ERROR type parameters must be named */ interface{}]() {} diff --git a/src/cmd/compile/internal/syntax/testdata/tparams.go2 b/src/cmd/compile/internal/syntax/testdata/tparams.go2 index 42031c3277..80e155bfe0 100644 --- a/src/cmd/compile/internal/syntax/testdata/tparams.go2 +++ b/src/cmd/compile/internal/syntax/testdata/tparams.go2 @@ -4,8 +4,8 @@ package p -type t[ /* ERROR type parameters must be named */ a, b] struct{} -type t[a t, b t, /* ERROR type parameters must be named */ c] struct{} +type t[a, b /* ERROR missing type constraint */ ] struct{} +type t[a t, b t, c /* ERROR missing type constraint */ ] struct{} type t struct { t [n]byte t[a] @@ -18,5 +18,7 @@ type t interface { } func f[ /* ERROR empty type parameter list */ ]() -func f[ /* ERROR type parameters must be named */ a, b]() -func f[a t, b t, /* ERROR type parameters must be named */ c]() +func f[a, b /* ERROR missing type constraint */ ]() +func f[a t, b t, c /* ERROR missing type constraint */ ]() + +func f[a b, /* ERROR expecting ] */ 0] () |