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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

0.8.1

Added

  • % remainder operator for int, float and dec

Fixed

  • Fix parsing unary operators so they no longer require parentheses

Removed

  • Cleaned up leftover documentation for json format rules

0.8.0

Added

  • Reserved 'key' and 'val' to list of reserved keywords for later use

Fixed

  • Added missing values to the list of reserved keywords

Removed

  • Symbols file parsing, this will be implemented later, symbols can still be inserted in code

0.8.0-rc.0

Added

  • Parse symbols from normal expression map syntax
  • Symbols are reusable named expressions

Changed

  • Implement datetime and duration functions for the DateTime and Duration types to evaluate to the unmodified value
  • Do not feature gate the serde serializer for Values

Removed

  • json rules parsing, all rules now need to be written using the DSL
  • EvaluationContext
  • evaluate method from Rule, rules now need to be evaluated as part of a RuleSet

0.7.9

Changed

  • Bump lalrpop dependency to 0.20.2

Fixed

  • Do not panic on division by zero

0.7.8

Added

  • some, none, datetime, uppercase, and lowercase keywords as alternatives for keywords with _

Changed

  • Improved rule parsing error

0.7.7

Changed

  • Implement <, <=, > and >= for DateTime and Duration values

0.7.6

Added

  • Bitwise &, | and ^ operators

Changed

  • Allow nesting if statements inside if, then or else clauses without ()
  • Bump msrv to 1.74.1 to resolve pub/non-pub type issues
  • Improved error handling parsing rules
  • DateTime and Duration types based on Chrono

0.7.5 - 2024-03-11

Added

  • Support for binary, octal and hexadecimal integers
  • trim operation for strings
  • round, floor and fract operation for floats and decimals

Changed

  • Better documentation for new DSL
  • String un-escaping support
  • Bump msrv to 1.70.0 to be able to use newer version of lalrpop

0.7.4 - 2023-11-07

Changed

  • contains and in work on Value::Int and can be used to check if flags are set in an integer

0.7.3 - 2023-11-03

Changed

  • Better None handling in most other operators
  • Bump minimum supported Rust version to 1.65.0 because or regex dependency

0.7.2 - 2023-10-06

Changed

  • Better None handling in index and contains expressions

0.7.1 - 2023-10-05

Changed

  • Make contains and is work on string values

0.7.0 - 2023-08-28

Added

  • Implement Display for Value and Expr types
  • Lalrpop parser for rules written in reval DSL
  • Implement to_upper and to_lower functions

Changed

  • Return wrapped error type from json parsing rules
  • Remove faulty check for valid identifier for rules names
  • Simplified index expressions so you can only index by string or usize, not by expressions anymore
  • Move to using BTreeMap for Value::Map

Removed

  • The half-finished nom-based parser for reval DSL rules is removed in favor of the lalrpop version

0.6.6 - 2023-07-03

Changed

  • gt, gte, lt and lte now return false if the first parameter is None

0.6.5 - 2023-06-27

Added

  • contains expression for checking if a vec contains an item or a map contains a key

Changed

  • Split UnknownValue error into UnknownRef and UnknownIndex

0.6.4 - 2023-03-28

Added

  • Added Rule::expr getter to read the expression from a rule
  • Re-introduced add_functions to add multiple functions at once on the RuleSet Builder

Changed

  • Made Expr::func constructor more flexible by taking Into for the function name

0.6.3 - 2023-03-17

Added

  • A direct conversion from Value::Map to a BTreeMap<String, Value>

Fixed

  • Fixed the direct conversion from Value::Map to a HashMap<String, Value>

0.6.2 - 2023-03-17

Fixed

  • Fixed the error message when trying to try_from a Value into a HashMap
  • Fixed the error message when trying to try_from a Value into a Vec

Changed

  • Made converting from and into Value::Vec and Value::Map more flexible, we now also map the contents of the vec and map

0.6.1 - 2023-02-25

Added

  • Add the none value to the json DSL
  • Add is_some and is_none functions to test for none values

0.6.0 - 2023-02-18

Added

  • A description field for Rules

Changed

  • Do not allow rules or functions with duplicate names
  • Do not allow rules or functions with invalid names
  • add_function on UserFunctions and ruleset Builder now takes non-boxed UserFunctions

Removed

  • Removed add_functions method from Userfunctions and ruleset Builder because it does not make much sense
  • Removed get method from UserFunctions public api
  • Removed BoxedFunction type from prelude and public api

0.5.2 - 2023-01-20

Added

  • Utility function for creating Expr::Reference
  • From<usize> implementation for Value
  • Allow simple String or usize index parameter for idx besides expressions

0.5.1 - 2023-01-18

Added

  • Documentation for rules writers
  • Into implementation from Value to Expr

Changed

  • Make add, sub, mul, div, and and or in the json rules language take more than 2 operands Left associatively combine them into their respective expressions

0.5.0 - 2023-01-04

Added

  • if expression.

Changed

  • FunctionError type is replaced with anyhow::Error

Removed

  • Methods for adding rules and functions to a RuleSet directly.

0.5.0 - 2023-01-04

Was yanked and replaced by 0.5.0

0.4.4 - 2022-12-08

Added

  • Add BoxedFunction to the prelude
  • Rule::name method

Fixed

  • Equality comparison was not working

Removed

  • Value::new constructor

0.4.3 - 2022-12-05

Added

  • Constuctor expressions for Map and Vec

0.4.2 - 2022-12-01

Added

  • Add conversions for a bunch of numerical types to an from Value

0.4.1 - 2022-11-30

Fixed

  • Fix adding multiple user-functions

0.4.0 - 2022-11-30

Added

  • Methods for adding multiple rules and user-functions to a ruleset at once
  • Add conversions to/from Value::Map and Value::Vec as convenience

Changed

  • Add name method to UserFunction trait instead of passing the name into the builder
  • Rule and RuleSet now return Outcome instances after evaluation that contain some metadata about the evaluation
  • RuleSet::evaluate does not halt rule evaluation when one rule returns Err
  • Bumped minimum supported Rust version to 1.62.1

0.3.0 - 2022-11-29

Added

  • Allow parsing individual Expr instances from json
  • Make Expr::evaluate public
  • Add cacheable method to UserFunction trait

Changed

  • Make parse::parse a method on Expr
  • Make and and or evaluation lazy

0.2.0 - 2022-11-27

Added

  • Add neg function to invert sign of numeric values
  • Add cast functions for numeric values

Changed

  • Remove implicit casts in numeric operations

0.1.3 - 2022-11-26

Added

  • User-function error type
  • TryFrom<> implementations to convert Value into primitive types
  • User Function example and doctest
  • Parse function call for json rules
  • Some better documentation

0.1.2 - 2022-11-22

Changed

  • Added Ruleset and UserFunction to prelude
  • Removed Error types from prelude
  • Moved parse_json into the Rule type

0.1.1 - 2022-11-22

Added

  • This changelog
  • Ruleset builder
  • Prelude for easy import of reval types

Changed

  • Make evaluate method take any parameter that implements serde::Serialize

0.1.0 - 2022-11-21

Added

  • Initial release
  • Parse rules from json
  • Experimental support for parsing rules with nom
  • Implement Value type that represents input and output for rules
  • Add serialize support for Value so any type that implements serde Serialize can be used as input
  • Implement Expr type as the AST for rules
  • Implement a RuleSet as an entry point for executing a set of rules on a piece of data
  • async UserFunction support