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) -> ShellVariableMap

Returns a duplicate of the value.

const 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() -> ShellVariableMap

Returns the “default value” for a type.