tailscale/util/must/must.go
Maisem Ali 40ec8617ac util/must: rename Do->Get, add Do
Signed-off-by: Maisem Ali <maisem@tailscale.com>
2022-08-06 09:30:10 -07:00

27 lines
558 B
Go

// Copyright (c) 2022 Tailscale Inc & 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 must assists in calling functions that must succeed.
//
// Example usage:
//
// var target = must.Get(url.Parse(...))
// must.Do(close())
package must
// Do panics if err is non-nil.
func Do(err error) {
if err != nil {
panic(err)
}
}
// Get returns v as is. It panics if err is non-nil.
func Get[T any](v T, err error) T {
if err != nil {
panic(err)
}
return v
}