Function isASCIILower

protoc-gen-go/generator/generator.go:2633–2635

And now lots of helper functions. Is c an ASCII lower-case letter?

(c byte)

// Is c an ASCII lower-case letter?
func isASCIILower(c byte) bool {
	return 'a' <= c && c <= 'z'
}

// Is c an ASCII digit?
func isASCIIDigit(c byte) bool {