gopls/cmd/stringer/testdata/typeparams/prime2.go

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	// This is a version of ../prime.go with type params
6
7	// Enough gaps to trigger a map implementation of the method.
8	// Also includes a duplicate to test that it doesn't cause problems
9
10	package main
11
12	import "fmt"
13
14	// For now, a lone type parameter is not permitted as RHS in a type declaration (issue #45639).
15	// type Likeint[T interface{ ~int \| ~uint8 }] T
16	type Likeint int
17
18	// type Prime2 Likeint[int]
19	type Prime2 Likeint
20
21	const (
22	p2 Prime2 = 2
23	p3 Prime2 = 3
24	p5 Prime2 = 5
25	p7 Prime2 = 7
26	p77 Prime2 = 7 // Duplicate; note that p77 doesn't appear below.
27	p11 Prime2 = 11
28	p13 Prime2 = 13
29	p17 Prime2 = 17
30	p19 Prime2 = 19
31	p23 Prime2 = 23
32	p29 Prime2 = 29
33	p37 Prime2 = 31
34	p41 Prime2 = 41
35	p43 Prime2 = 43
36	)
37
38	func main() {
39	ck(0, "Prime2(0)")
40	ck(1, "Prime2(1)")
41	ck(p2, "p2")
42	ck(p3, "p3")
43	ck(4, "Prime2(4)")
44	ck(p5, "p5")
45	ck(p7, "p7")
46	ck(p77, "p7")
47	ck(p11, "p11")
48	ck(p13, "p13")
49	ck(p17, "p17")
50	ck(p19, "p19")
51	ck(p23, "p23")
52	ck(p29, "p29")
53	ck(p37, "p37")
54	ck(p41, "p41")
55	ck(p43, "p43")
56	ck(44, "Prime2(44)")
57	}
58
59	func ck(prime Prime2, str string) {
60	if fmt.Sprint(prime) != str {
61	panic("prime2.go: " + str)
62	}
63	}
64

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