@swift-5.0.3 --options="-I /vendor/SwiftyMath/.build/release/ -I /usr/lib/swift/clang/include/ -I /vendor/swift-package-libbsd/ -L /vendor/SwiftyMath/.build/release/ -ldSwiftyMath" import SwiftyMath let a = RationalNumber(2, 3) print(a)