Function computeIndent

parse_doc/textutil.go:137–147

Compute line indent. Return -1 if line is visibly empty.

(line string)

// Compute line indent.
// Return -1 if line is visibly empty.
func computeIndent(line string) int {
	indent := 0
	for _, r := range line {
		if unicode.IsSpace(r) {
			indent += 1
		} else {
			return indent
		}
	}
	return -1
}