Crate arithmetic_parser_kma 

Modules

cli

cli ia a modul with cli implementation.

io

Traits, helpers, and type definitions for core I/O functionality.

Structs

MyParser

Pairs

An iterator over Pairs. It is created by pest::state and Pair::into_inner.

PrattParser

Struct containing operators and precedences, which can perform Pratt parsing on primary, prefix, postfix and infix expressions over Pairs. The tokens in Pairs should alternate in the order: prefix* ~ primary ~ postfix* ~ (infix ~ prefix* ~ primary ~ postfix*)*

Enums

Expr

MyError

MyError is an error type used to return errors from the parser.

Op

Op describes a mathematical operation.

Rule

Traits

BufRead

A BufRead is a type of Reader which has an internal buffer, allowing it to perform extra ways of reading.

Parser

A trait with a single method that parses strings.

Functions

eval_expr

Evaluate the given expression and return the result.

eval_expr_from_string

Evaluate an expression from a string input and return the result.

parse_expr

Parse the input pairs into an abstract syntax tree representing the expression.

Derive Macros

Error

Parser

The main method that’s called by the proc macro (a wrapper around pest_generator::derive_parser)