go a 源码
golang a 代码
文件路径：/test/typeparam/mapimp.dir/a.go
// 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
// Map calls the function f on every element of the slice s,
// returning a new slice of the results.
func Mapper[F, T any](s []F, f func(F) T) []T {
r := make([]T, len(s))
for i, v := range s {
r[i] = f(v)
}
return r
}
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