Struct VariableRegistry 

pub struct VariableRegistry { /* private fields */ }

A registry to store variables in during macro execution.

Implementations

impl VariableRegistry

pub const fn new() -> Self

Creates a new variable registry.

pub fn load<'slf, 'name>(&'slf self, name: InternerEntry) -> Option<&'slf [u8]>

Loads a variable of a given name.

pub fn load_fn<'slf, 'name>( &'slf self, name: InternerEntry, ) -> Option<&'slf ExpressionFunction>

Loads a function of a given name.

pub fn load_mut<'slf, 'name>( &'slf mut self, name: InternerEntry, ) -> Option<&'slf mut [u8]>

Loads a variable of a given name, giving a mutable reference to it.

pub fn store<'val, 'slf, 'name>( &'slf mut self, name: InternerEntry, val: Cow<'val, [u8]>, )

Stores a variable into a given name, dropping the old value if it existed.

pub fn store_fn<'val, 'slf, 'name>( &'slf mut self, name: InternerEntry, val: ExpressionFunction, )

Stores a function into a given name, dropping the old function if it existed.

pub fn drop<'slf, 'name>(&'slf mut self, name: InternerEntry) -> bool

Drops a variable of a given name, returning a boolean for whether it existed in the first place.