Struct VariableScope

pub struct VariableScope {
    pub name: String,
    pub created_at: SystemTime,
    /* private fields */
}

变量作用域

Fields

name: String

作用域名称

created_at: SystemTime

创建时间

Implementations

impl VariableScope

pub fn new(name: String) -> Self

创建新的作用域

pub fn create_child(&self, name: String) -> Self

创建子作用域

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

定义变量

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

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 remove_variable(&mut self, name: &str) -> NotebookResult<VariableBinding>

删除变量

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

获取所有变量名

pub fn get_local_variables(&self) -> &HashMap<String, VariableBinding>

获取本地变量（不包括父作用域）

pub fn clear(&mut self)

清除所有变量

pub fn statistics(&self) -> ScopeStatistics

获取变量统计信息

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

导出变量到 HashMap（用于计算引擎）

Trait Implementations

impl Clone for VariableScope

fn clone(&self) -> VariableScope

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for VariableScope

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for VariableScope

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for VariableScope

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.