1 // Copyright 2021 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package p 6 7 type ( 8 // these need a comma to disambiguate 9 _[P *T,] struct{} 10 _[P *T, _ any] struct{} 11 _[P (*T),] struct{} 12 _[P (*T), _ any] struct{} 13 _[P (T),] struct{} 14 _[P (T), _ any] struct{} 15 16 // these parse as name followed by type 17 _[P *struct{}] struct{} 18 _[P (*struct{})] struct{} 19 _[P ([]int)] struct{} 20 21 // array declarations 22 _ [P(T)]struct{} 23 _ [P((T))]struct{} 24 _ [P * *T] struct{} // this could be a name followed by a type but it makes the rules more complicated 25 _ [P * T]struct{} 26 _ [P(*T)]struct{} 27 _ [P(**T)]struct{} 28 _ [P * T - T]struct{} 29 _ [P*T-T /* ERROR unexpected comma */ ,]struct{} 30 _ [10 /* ERROR unexpected comma */ ,]struct{} 31 ) 32