tailscale/internal/deephash/mapiter.go
Josh Bleecher Snyder c06ec45f09 internal/deephash: document MapIter shims
These exist so we can use the optimized MapIter APIs
while still working with released versions of Go.
They're pretty simple, but some docs won't hurt.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
2021-05-24 14:47:41 -07:00

26 lines
818 B
Go

// Copyright (c) 2021 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.
// +build !tailscale_go
package deephash
import "reflect"
// iterKey returns the current iter key.
// scratch is a re-usable reflect.Value.
// iterKey may store the iter key in scratch and return scratch,
// or it may allocate and return a new reflect.Value.
func iterKey(iter *reflect.MapIter, _ reflect.Value) reflect.Value {
return iter.Key()
}
// iterVal returns the current iter val.
// scratch is a re-usable reflect.Value.
// iterVal may store the iter val in scratch and return scratch,
// or it may allocate and return a new reflect.Value.
func iterVal(iter *reflect.MapIter, _ reflect.Value) reflect.Value {
return iter.Value()
}