Crate arithmetic_parser_smetaniuk

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)