diff options
Diffstat (limited to 'src/text/template/exec.go')
| -rw-r--r-- | src/text/template/exec.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/text/template/exec.go b/src/text/template/exec.go index 7ac5175006..19154fc640 100644 --- a/src/text/template/exec.go +++ b/src/text/template/exec.go @@ -373,6 +373,10 @@ func (s *state) walkRange(dot reflect.Value, r *parse.RangeNode) { if val.IsNil() { break } + if val.Type().ChanDir() == reflect.SendDir { + s.errorf("range over send-only channel %v", val) + break + } i := 0 for ; ; i++ { elem, ok := val.Recv() |