Struct SymbolOverlay 

pub struct SymbolOverlay<'a> { /* private fields */ }

Stores and allocates unique symbols on top of a symbol store, without modifying it.

Implementations

impl<'a> SymbolOverlay<'a>

pub fn new(symbols: &'a SymbolStore) -> Self

Trait Implementations

impl<'a> Clone for SymbolOverlay<'a>

fn clone(&self) -> SymbolOverlay<'a>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for SymbolOverlay<'a>

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

Formats the value using the given formatter.

impl SymbolStorage for SymbolOverlay<'_>

fn get_or_insert_named(&mut self, name: &str) -> Sym

Return the symbol associated with the name, or allocate a fresh ID and associate it with the given name.

fn build_sym_map<'a, T>( &mut self, pairs: impl IntoIterator<Item = (&'a str, T)>, ) -> HashMap<Sym, T>

Given a list of name-value pairs, translate the names into Syms and return a mapping from symbols to values.

impl Symbols for SymbolOverlay<'_>

fn get_symbol_name(&self, sym: Sym) -> Option<&str>

Get the name of a symbol, if it has one.

fn num_symbols(&self) -> usize

Returns the number of symbols that have been allocated in this universe.