Thanks @rob_pike for sorting me out on cover and style. Rule for today run ‘go fmt’ to get that go code nice and formatted to standard style conventions! https://www.youtube.com/watch?v=ndmB0bj7eyw go-imports tool http://blog.golang.org/laws-of-reflection go test -v go test -cover go test -coverprofile=coverage.out go tool cover -func=cover.out go tool cover -html=coverage.out http://blog.golang.org/cover ~Oh you are joking! Simon-Harpers-iMac:searchgear sharper$ go test -cover cover bitbucket.org/sharpic/searchgear cover: internal error: block 3 overlaps block 4 /Users/sharper/Development/go/src/bitbucket.org/sharpic/searchgear/configure.go:#883,#1345 /Users/sharper/Development/go/src/bitbucket.