Struct nu_protocol::value::evaluate::Scope

pub struct Scope { /* fields omitted */ }

An evaluation scope. Scopes map variable names to Values and aid in evaluating blocks and expressions.

Implementations

impl Scope

pub fn vars(&self) -> IndexMap<String, Value>

pub fn env(&self) -> IndexMap<String, String>

pub fn var(&self, name: &str) -> Option<Value>

pub fn from_env(env: IndexMap<String, String>) -> Arc<Scope>

pub fn append_var(
    this: Arc<Self>,
    name: impl Into<String>,
    value: Value
) -> Arc<Scope>

pub fn append_vars(this: Arc<Self>, vars: IndexMap<String, Value>) -> Arc<Scope>

pub fn append_env(this: Arc<Self>, env: IndexMap<String, String>) -> Arc<Scope>

pub fn create() -> Arc<Scope>

Create an empty scope

Trait Implementations

impl Clone for Scope

pub fn clone(&self) -> Scope

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Scope

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Scope

pub fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
    __D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.

impl Serialize for Scope

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

Serialize this value into the given Serde serializer.