const go/token.SHL

4 uses

	go/token (current package)
		token.go#L48: 	SHL     // <<
		token.go#L152: 	SHL:     "<<",
		token.go#L273: 	case MUL, QUO, REM, SHL, SHR, AND, AND_NOT:

	go/scanner
		scanner.go#L908: 				tok = s.switch4(token.LSS, token.LEQ, '<', token.SHL, token.SHL_ASSIGN)