Language consists of a system:
Semantics studies the aspects of meaning.
Syntax studies the structure, principles and relationships.
Quick reference
Structure:
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语言系统包括语义学和句法学,文档是语言的可能性表示,调试方法多样。Ruby支持多种数据类型和控制流,提供丰富的内置类和模块,支持面向对象编程和异常处理。