Struct ScopeManager 

pub struct ScopeManager { /* private fields */ }

作用域管理器

Implementations

impl ScopeManager

pub fn new() -> Self

创建新的作用域管理器

pub fn create_cell_scope(&mut self, cell_id: CellId, name: String)

创建单元格作用域

pub fn set_current_scope(&mut self, cell_id: Option<CellId>)

设置当前作用域

pub fn get_current_scope(&mut self) -> &mut VariableScope

获取当前作用域

pub fn get_global_scope(&mut self) -> &mut VariableScope

获取全局作用域

pub fn get_cell_scope(&mut self, cell_id: &CellId) -> Option<&mut VariableScope>

获取指定单元格的作用域

pub fn define_global_variable( &mut self, name: String, value: Expression, defined_in: CellId, ) -> NotebookResult<()>

定义全局变量

pub fn define_global_constant( &mut self, name: String, value: Expression, defined_in: CellId, ) -> NotebookResult<()>

定义全局常量

pub fn define_variable( &mut self, name: String, value: Expression, defined_in: CellId, ) -> NotebookResult<()>

在当前作用域定义变量

pub fn define_constant( &mut self, name: String, value: Expression, defined_in: CellId, ) -> NotebookResult<()>

在当前作用域定义常量

pub fn update_variable( &mut self, name: &str, value: Expression, updated_in: CellId, ) -> NotebookResult<()>

更新变量值

pub fn get_variable(&mut self, name: &str) -> Option<&mut VariableBinding>

获取变量值

pub fn has_variable(&self, name: &str) -> bool

检查变量是否存在

pub fn get_visible_variables(&self) -> Vec<String>

获取所有可见的变量名

pub fn clear_cell_scope(&mut self, cell_id: &CellId)

清除单元格作用域

pub fn clear_all(&mut self)

清除所有作用域

pub fn export_for_computation(&mut self) -> HashMap<String, Number>

导出变量用于计算

pub fn statistics(&self) -> ManagerStatistics

获取作用域管理器统计信息

Trait Implementations

impl Default for ScopeManager

fn default() -> Self

Returns the “default value” for a type.