aboutsummaryrefslogtreecommitdiff
path: root/test/typeparam/listimp.dir/a.go
blob: 2b5b23cde33960c65db19ee8bf26cf49261b2a01 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
// 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 a

type Ordered interface {
        ~int | ~int8 | ~int16 | ~int32 | ~int64 |
                ~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr |
                ~float32 | ~float64 |
                ~string
}

// List is a linked list of ordered values of type T.
type List[T Ordered] struct {
        Next *List[T]
        Val  T
}

func (l *List[T]) Largest() T {
        var max T
        for p := l; p != nil; p = p.Next {
                if p.Val > max {
                        max = p.Val
                }
        }
        return max
}

type OrderedNum interface {
        ~int | ~int8 | ~int16 | ~int32 | ~int64 |
                ~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr |
                ~float32 | ~float64
}

// ListNum is a linked _List of ordered numeric values of type T.
type ListNum[T OrderedNum] struct {
        Next *ListNum[T]
        Val  T
}

const Clip = 5

// clippedLargest returns the largest in the list of OrderNums, but a max of 5.
func (l *ListNum[T]) ClippedLargest() T {
        var max T
        for p := l; p != nil; p = p.Next {
                if p.Val > max && p.Val < Clip {
                        max = p.Val
                }
        }
        return max
}