🔢Numbers

⭐️ 重點

Numeric protocols	supports
AdditiveArithmetic	a + b, a - b, .zero
Numeric	a * b
SignedNumeric	-a (additive inverse)
FloatingPoint	a / b, a < b
BinaryFloatingPoint	Int(a)

Exploring Swift’s numeric protocols - iOS Conf SG 2017YouTube

🌀 擴充

• seq.sum of all elments.

📗 參考

• Jesse ⟩

  • Floating-point Swift, ulp, and epsilon

  • Exploring Swift’s numeric types and protocols ⭐️ (slides)

  • When should you use Decimal instead of Double?

• diploid ⟩ Numeric protocols

• Sarun ⟩ How to check if String is Number in Swift

• Andy Bargh ⟩ Swift ⟩ The Swift Numeric Data Types

📘 手冊

• Swift ⟩ Numbers and Basic Values ⟩

  • Global Numeric Functions - min(), max(), abs().

  • Numeric Protocols ⟩ Numeric

📜 協定

👥 相關

• BinaryInteger: protocol for integers.

• BinaryFloatingPoint: protocol for floating-point numbers.

Exploring Swift’s numeric protocols - iOS Conf SG 2017YouTube