CHORE: linting

[TomOnTime]

Fixing these...

build/generate/functionTypes.go:47:9: if block ends with a return statement, so drop this else and outdent its block
build/generate/functionTypes.go:48:30: error strings should not be capitalized or end with punctuation or a newline
pkg/diff2/compareconfig.go:46:6: exported type ComparableFunc should have comment or be unexported
pkg/diff2/compareconfig.go:48:6: exported type CompareConfig should have comment or be unexported
pkg/diff2/compareconfig.go:91:1: exported function NewCompareConfig should have comment or be unexported
pkg/diff2/compareconfig.go:111:1: exported method CompareConfig.VerifyCNAMEAssertions should have comment or be unexported
pkg/diff2/diff2.go:16:6: exported type Verb should have comment or be unexported
pkg/diff2/diff2.go:20:2: exported const CREATE should have comment (or a comment on this block) or be unexported
pkg/diff2/diff2.go:26:6: exported type ChangeList should have comment or be unexported
pkg/diff2/diff2.go:28:6: exported type Change should have comment or be unexported

[TomOnTime]

CC @systemcrash for visibility (build/generate/functionTypes.go)

[systemcrash]

I suppose that's another way of doing it 😄

[systemcrash]

Question: is it plausible that len(delimiterIndices) can be greater than 1?