Trait hayami_im::SymbolStack

pub trait SymbolStack<K>: SymbolMap<K> {
    fn prev(&self) -> Option<&Self>;
}

A trait for a stack-like symbol table in which a reference to the previous layer may be obtained

Required methods

fn prev(&self) -> Option<&Self>

Get the previous layer of this symbol table

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Implementors

impl<K: Hash + Eq + Clone, V: Clone, S: BuildHasher> SymbolStack<K> for SymbolTable<K, V, S>

fn prev(&self) -> Option<&Self>

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