There was no reason to have two types and this avoids ~10% of allocations
on the GET code path.

```
BenchmarkGet-12          	  100000	    109045 ns/op	   17608 B/op	     146 allocs/op

BenchmarkGet-12          	  100000	    108850 ns/op	   15942 B/op	     132 allocs/op
```