Struct MetaVarEnv 

pub struct MetaVarEnv<'tree, D: Doc> { /* private fields */ }

a dictionary that stores metavariable instantiation const a = 123 matched with const a = $A will produce env: $A => 123

Implementations

impl<'t, D: Doc> MetaVarEnv<'t, D>

pub fn new() -> Self

pub fn insert(&mut self, id: &str, ret: Node<'t, D>) -> Option<&mut Self>

pub fn insert_multi( &mut self, id: &str, ret: Vec<Node<'t, D>>, ) -> Option<&mut Self>

pub fn get_match(&self, var: &str) -> Option<&Node<'t, D>>

pub fn get_multiple_matches(&self, var: &str) -> Vec<Node<'t, D>>

pub fn add_label(&mut self, label: &str, node: Node<'t, D>)

pub fn get_labels(&self, label: &str) -> Option<&Vec<Node<'t, D>>>

pub fn get_matched_variables( &self, ) -> impl Iterator<Item = MetaVariable> + use<'_, 't, D>

pub fn match_constraints<M: Matcher>( &mut self, var_matchers: &HashMap<MetaVariableID, M>, ) -> bool

pub fn insert_transformation( &mut self, var: &MetaVariable, name: &str, slice: Underlying<D>, )

pub fn get_transformed(&self, var: &str) -> Option<&Underlying<D>>

pub fn get_var_bytes<'s>( &'s self, var: &MetaVariable, ) -> Option<&'s [<D::Source as Content>::Underlying]>

Trait Implementations

impl<'tree, D: Clone + Doc> Clone for MetaVarEnv<'tree, D>

fn clone(&self) -> MetaVarEnv<'tree, D>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<D: Doc> Default for MetaVarEnv<'_, D>

fn default() -> Self

Returns the “default value” for a type.

impl<'tree, D: Doc> From<MetaVarEnv<'tree, D>> for HashMap<String, String>

fn from(env: MetaVarEnv<'tree, D>) -> Self

Converts to this type from the input type.