| // 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 Option[T any] interface { | |
| ToSeq() Seq[T] | |
| } | |
| type Seq[T any] []T | |
| func (r Seq[T]) Find(p func(v T) bool) Option[T] { | |
| panic("") | |
| } |