Struct nu_protocol::Scope

pub struct Scope {
    pub it: Value,
    pub vars: IndexMap<String, Value>,
    pub env: IndexMap<String, String>,
}

An evaluation scope. Scopes map variable names to Values and aid in evaluating blocks and expressions. Additionally, holds the value for the special $it variable, a variable used to refer to the value passing through the pipeline at that moment

Fields

it: Value

vars: IndexMap<String, Value>

env: IndexMap<String, String>

Implementations

impl Scope

pub fn new() -> Scope

Create an empty scope

Trait Implementations

impl Clone for Scope

fn clone(&self) -> Scope

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Scope

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

Formats the value using the given formatter.

impl Default for Scope

fn default() -> Scope

Returns the "default value" for a type.

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

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

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

Serialize this value into the given Serde serializer.