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| author | Alan Donovan <adonovan@google.com> | 2016-11-23 15:34:08 -0500 |
|---|---|---|
| committer | Alan Donovan <adonovan@google.com> | 2018-08-22 20:16:01 +0000 |
| commit | ede59583858bd64a09479f624e989e7c35df0c52 (patch) | |
| tree | ade2286e0b5149e9dfab30b6125343ef0381862a /src/runtime/map.go | |
| parent | 8c0425825ced4042eac0439161abe1f22a47d615 (diff) | |
| download | go-ede59583858bd64a09479f624e989e7c35df0c52.tar.gz go-ede59583858bd64a09479f624e989e7c35df0c52.zip | |
reflect: add Value.MapRange method and MapIter type
Example of use:
iter := reflect.ValueOf(m).MapRange()
for iter.Next() {
k := iter.Key()
v := iter.Value()
...
}
See issue golang/go#11104
Q. Are there any benchmarks that would exercise the new calls to
copyval in existing code?
Change-Id: Ic469fcab5f1d9d853e76225f89bde01ee1d36e7a
Reviewed-on: https://go-review.googlesource.com/33572
Reviewed-by: Keith Randall <khr@golang.org>
Diffstat (limited to 'src/runtime/map.go')
| -rw-r--r-- | src/runtime/map.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/runtime/map.go b/src/runtime/map.go index 208c92cb0d..c03e745dc5 100644 --- a/src/runtime/map.go +++ b/src/runtime/map.go @@ -1282,6 +1282,11 @@ func reflect_mapiterkey(it *hiter) unsafe.Pointer { return it.key } +//go:linkname reflect_mapitervalue reflect.mapitervalue +func reflect_mapitervalue(it *hiter) unsafe.Pointer { + return it.value +} + //go:linkname reflect_maplen reflect.maplen func reflect_maplen(h *hmap) int { if h == nil { |