a96884cf6c
I was wondering why cmd/go includes the HTTP server implementations. Dumping the linker's deadcode dependency graph into a file and doing some graph analysis, I found that the only reason cmd/go included an HTTP server was because the maxBytesReader type (used by both the HTTP transport & HTTP server) did a static type assertion to an HTTP server type. Changing it to a interface type assertion reduces the size of cmd/go by 533KB (5.2%) On linux/amd64, cmd/go goes from 10549200 to 10002624 bytes. Add a test too so this doesn't regress. The test uses cmd/go as the binary to test (a binary which needs the HTTP client but not the HTTP server), but this change and test are equally applicable to any such program. Change-Id: I93865f43ec03b06d09241fbd9ea381817c2909c5 Reviewed-on: https://go-review.googlesource.com/20763 Reviewed-by: Matthew Dempsky <mdempsky@google.com> Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: David Crawshaw <crawshaw@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> |
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