E2xxx：语义分析
自动生成自
src/util/diagnostic/codes/
错误列表
E2001：Scope error
类别: Semantic
消息: Variable is not in current scope
帮助: Check the variable's scope and ensure it's accessible here
E2002：Duplicate definition
类别: Semantic
消息: Variable is defined multiple times in the same scope
帮助: Rename or remove the duplicate definition
E2003：Ownership error
类别: Semantic
消息: Ownership constraint is not satisfied
帮助: Check the ownership semantics of the value
E2010：Immutable assignment
类别: Semantic
消息: Attempting to modify an immutable variable
帮助: Use 'mut' to declare a mutable variable
E2011：Uninitialized use
类别: Semantic
消息: Using an uninitialized variable
帮助: Initialize the variable before using it
E2012：Mutability conflict
类别: Semantic
消息: Using mutable reference in immutable context
帮助: Ensure the reference mutability matches the usage context