4. Sway语言基础 (Sway Language basics)

Sway is a programming language designed for the FuelVM. It is a statically typed, compiled language with type inference and traits. Sway aims to make smart contract development safer and more performant through the use of strong static analysis and compiler feedback.

Sway是一种为FuelVM设计的编程语言。它是一种静态类型的编译语言，具有类型推理和特质。Sway旨在通过使用强大的静态分析和编译器反馈，使智能合约的开发更安全、更有性能。

Sway basics. Sway的基础知识。

• Variables 变量

• Built-in Types 内置类型

• Blockchain Types 区块链类型

• Functions 函数

• Structs, Tuples, and Enums 结构、图元和穷举

• Methods and Associated Functions 方法和相关函数

• Control Flow 控制流

• Comments and Logging 评论和日志