mirror of
https://github.com/golang/go
synced 2024-09-05 07:54:46 +00:00
e24977d231
The next CL will remove the -G flag, effectively hard-coding it to its current default (-G=3). Change-Id: Ib4743b529206928f9f1cca9fdb19989728327831 Reviewed-on: https://go-review.googlesource.com/c/go/+/388534 Reviewed-by: Keith Randall <khr@golang.org> Trust: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>
66 lines
1.1 KiB
Go
66 lines
1.1 KiB
Go
// run
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// Copyright 2022 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"fmt"
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)
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func main() {
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x := [][]int{{1}}
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y := [][]int{{2, 3}}
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IntersectSS(x, y)
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}
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type list[E any] interface {
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~[]E
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Equal(x, y E) bool
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}
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// ss is a set of sets
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type ss[E comparable, T []E] []T
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func (ss[E, T]) Equal(a, b T) bool {
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return SetEq(a, b)
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}
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func IntersectSS[E comparable](x, y [][]E) [][]E {
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return IntersectT[[]E, ss[E, []E]](ss[E, []E](x), ss[E, []E](y))
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}
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func IntersectT[E any, L list[E]](x, y L) L {
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var z L
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outer:
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for _, xe := range x {
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fmt.Println("xe", xe)
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for _, ye := range y {
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fmt.Println("ye", ye)
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fmt.Println("x", x)
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if x.Equal(xe, ye) {
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fmt.Println("appending")
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z = append(z, xe)
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continue outer
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}
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}
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}
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return z
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}
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func SetEq[S []E, E comparable](x, y S) bool {
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fmt.Println("SetEq", x, y)
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outer:
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for _, xe := range x {
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for _, ye := range y {
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if xe == ye {
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continue outer
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}
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}
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return false // xs wasn't found in y
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}
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return true
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}
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