Make time.Ticker not leak in retry.go (#68)
Make time.Ticker not leak in retry.go (#68)

* Update retry.go

Tick leaks Tickers; a Timer here is more appropriate.

* Update retry.go

Even better, in fact: allow garbage collector to not wait on timer if context done first.

grpc-ecosystem/go-grpc-middleware,mwitkow/go-grpc-middleware,grpc-ecosystem/go-grpc-middleware,mwitkow/go-grpc-middleware