Brad Fitzpatrick 0ccf258ca4 blob: specify "oh, nevermind" error value for optional SubFetcher interface ... To support composition, all optional interfaces in Go need a way to say, at runtime, that "oh, nevermind, I defensively implemented this interface but it turns out the thing I'm wrapping doesn't support it". We learned that lesson only in the past few years, but SubFetcher predates that. So do that here and make proxycache implemented SubFetcher and make everything respect the fallback oh-nevermind error value. Fixes #1170 Change-Id: I3c0958cf6692a324e98f526571d10a352a8e18b4		2018-05-17 19:49:02 -07:00
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storagetest.go	blob: specify "oh, nevermind" error value for optional SubFetcher interface	2018-05-17 19:49:02 -07:00