[Grammer] 07 - Naming Convention, 08 - Numbers

• Naming Conventions(이름 정의 규칙)

1. Camel Case : UpperCamelCase와 lowerCamelCase로 구분.

UpperCamelCase : Class, Structure, Enumeration, Extension, Protocol
lowerCamelCase: Variable, Constant, Function, Property, Parameter

• Numbers

1. Number Literals: 1, 1.2, 1.23e4,0xAp2, 1._000_000, 0b010011 등
   사이에 공백 불가.

2. Number Types
   : Interger Types(Int8,Int16,Int32,Int64), Floating Point Types, Double Types
   음수가 필요없다면 앞에 U를 붙여 UInt를 사용.