Struct ShellVariableMap 

pub struct ShellVariableMap { /* private fields */ }

Represents a map from names to shell variables.

Implementations

impl ShellVariableMap

pub fn iter(&self) -> impl Iterator<Item = (&String, &ShellVariable)>

Returns an iterator over all the variables in the map.

pub fn get(&self, name: &str) -> Option<&ShellVariable>

Tries to retrieve an immutable reference to the variable with the given name.

Arguments

• name - The name of the variable to retrieve.

pub fn get_mut(&mut self, name: &str) -> Option<&mut ShellVariable>

Tries to retrieve a mutable reference to the variable with the given name.

Arguments

• name - The name of the variable to retrieve.

pub fn unset(&mut self, name: &str) -> Option<ShellVariable>

Tries to unset the variable with the given name, returning the removed variable or None if it was not already set.

Arguments

• name - The name of the variable to unset.

pub fn set<N: Into<String>>( &mut self, name: N, var: ShellVariable, ) -> Option<ShellVariable>

Sets a variable in the map.

Arguments

• name - The name of the variable to set.
• var - The variable to set.

Trait Implementations

impl Clone for ShellVariableMap

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ShellVariableMap

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

Formats the value using the given formatter.

impl Default for ShellVariableMap

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ShellVariableMap

Available on crate feature serde only.

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ShellVariableMap

Available on crate feature serde only.

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

where __S: Serializer,

Serialize this value into the given Serde serializer.