golang/test/typeparam/issue47676.go

24 lines
452 B
Go

// run
// 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 main
func main() {
d := diff([]int{}, func(int) string {
return "foo"
})
d()
}
func diff[T any](previous []T, uniqueKey func(T) string) func() {
return func() {
newJSON := map[string]T{}
for _, prev := range previous {
delete(newJSON, uniqueKey(prev))
}
}
}