regexp/syntax.frag.nullable (field)

10 uses

	regexp/syntax (current package)
		compile.go#L62: 	nullable bool      // whether fragment can match empty string
		compile.go#L163: 	f := frag{i: uint32(len(c.p.Inst)), nullable: true}
		compile.go#L198: 	return frag{f1.i, f2.out, f1.nullable && f2.nullable}
		compile.go#L215: 	f.nullable = f1.nullable || f2.nullable
		compile.go#L253: 	if f1.nullable {
		compile.go#L262: 	return frag{f1.i, c.loop(f1, nongreedy).out, f1.nullable}
		compile.go#L274: 	f.nullable = false