Crate parlex_calc 

Structs

CalcLexer

The calculator lexer.

CalcParser

The calculator parser, a wrapper that couples:

CalcToken

A concrete implementation of a lexical token used by the calculator.

IterInput

An input adapter that wraps any iterator and provides a TryNextWithContext interface, automatically fusing the iterator so it never yields items after returning None once.

SymTab

A simple symbol table that maps string names to integer values.

Enums

CalcError

Represents all possible errors that can occur within the calculator.

SymTabError

Errors that can occur when operating on a SymTab.

TokenID

TokenValue

Represents the value carried by a lexical token.