Thanks for this proposal. I don't think the performance gain here is
worth the extra code and extra bookkeeping overhead, so i'm -1 on this
File src/pkg/net/http/request.go (right):
src/pkg/net/http/request.go:453: defer tpFree.put(tp)
The defer costs you an allocation so I don't think this is a net saving.
File src/pkg/net/http/response.go (right):
src/pkg/net/http/response.go:107: defer tpFree.put(tp)