140 lines
4.8 KiB
Markdown
140 lines
4.8 KiB
Markdown
# Change Log
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## Unreleased
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### Notes
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### Added
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* Iterator over all identifiers within an expression, including duplicates
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* Iterators over only variable or only function identifiers within an expression, including duplicates
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* Overload the `+` operator to concatenate strings
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* Overload `<`, `<=`, `>` and `>=` for strings using lexical ordering (Note: `==` and `!=` compare strings as expected)
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* Add `len`, `str::regex_matches`, `str::regex_replace`, `str::to_lowercase`, `str::to_uppercase`, `str::trim` functions for strings
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* Add a macro for more convenient definition of contexts including the direct definition of static contexts
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### Removed
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### Changed
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### Fixed
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### Deprecated
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### Contributors
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My warmhearted thanks goes to
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* [bittrance](https://github.com/bittrance)
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* [lovasoa](https://github.com/lovasoa)
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* [mestachs](https://github.com/mestachs)
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## [4.1.0](https://github.com/ISibboI/evalexpr/compare/4.0.0...4.1.0) - 2019-03-31
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### Added
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* Export `expect_function_argument_amount`
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## [4.0.0](https://github.com/ISibboI/evalexpr/compare/3.1.0...4.0.0) - 2019-03-30
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### Added
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* String constants
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## [3.1.0](https://github.com/ISibboI/evalexpr/compare/3.0.0...3.1.0) - 2019-03-28
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### Added
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* Add serde support to `HashMapContext`
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* Make `HashMapContext` derive `Default` and `Debug`
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### Changed
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* Changed name of serde feature flag to `serde_support`
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## [3.0.0](https://github.com/ISibboI/evalexpr/compare/2.0.0...3.0.0) - 2019-03-28
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### Notes
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The 3.0.0 update transforms the expression evaluator `evalexpr` to a tiny scripting language.
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It allows assignments and chaining of expressions.
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Some changes in this update are breaking, hence the major release.
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### Added
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* Methods `Node::eval_<type>_with_context_mut` and crate level `eval_<type>_with_context_mut`
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* Empty type and corresponding shortcut methods. The empty type is emitted by empty expressions or empty subexpressions `()`.
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* The assignment operator `=`
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* The expression chaining operator `;`
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### Removed
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* Generic arguments from `Context` traits are now static to allow using trait objects of `Context`
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* `EvalexprError::EmptyExpression` is not required anymore since empty expressions now evaluate to the empty type
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### Changed
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* Merge `ContextMut` trait into `Context` trait
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## [2.0.0](https://github.com/ISibboI/evalexpr/compare/1.2.0...2.0.0) - 2019-03-28
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### Notes
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The 2.0.0 update is the first step to transform evalexpr to a tiny scripting language with support of at least variable assignment.
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The main change for now is that `Configuration` is called `Context`, which seems to be a more proper naming for a set of variables that can not only be read, but also manipulated via expressions.
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This update includes further renamings and some inconsistencies in the API were fixed.
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For more details, see the following subsections.
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### Added
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* Add the `ContextMut` trait, that is a manipulable configuration/context
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* Add `ContextNotManipulable` error variant for the `EmptyContext`
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* Make the `TupleType` alias public
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* Add the `ValueType` enum that represents the type of a value for easier comparisons and matchings
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* Add `EvalexprResult<T>` type that uses the `EvalexprError` type (renamed from `Error`)
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* Add `Node::eval_number` and `Node::eval_number_with_context` to evaluate to int or float and silently converting to float
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* Add `eval_number` and `eval_number_with_context` crate methods to evaluate to int or float and silently converting to float
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### Changed
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* Get rid of some unwraps to improve safety
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* Rename `Error` to `EvalexprError`
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* Rename `Configuration` to `Context`
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* Rename `HashMapConfiguration` to `HashMapContext` and `EmptyConfiguration` to `EmptyContext`
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* Rename `Value::as_float` to `Value::as_number` and add new `Value::as_float` that fails if value is an integer
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## [1.2.0](https://github.com/ISibboI/evalexpr/compare/1.1.0...1.2.0) - 2019-03-23
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### Added
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* Add `serde` feature
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* Implement `serde::de::Deserialize` for `Node`
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* Document `serde` usage
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* Add custom error type with a `String` message
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### Changed
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* Highlighting in documentation
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## [1.1.0](https://github.com/ISibboI/evalexpr/compare/1.0.0...1.1.0) - 2019-03-20
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### Added
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* Internal aliases `IntType` and `FloatType` used by the `Value` enum are now public
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* Type alias `TupleType` used to represent tuples was added
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* Error types like `Error::ExpectedInt` for expecting each value type were added
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* Shortcut functions like `eval_int` or `eval_int_with_configuration` to evaluate directly into a value type were added
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* Documentation for the shortcut functions was added
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* Functions to decompose `Value`s were added and documented
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### Removed
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* Integration tests were removed from shipped crate
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### Fixed
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* Wording of some documentation items was changed to improve readability
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## [1.0.0](https://github.com/ISibboI/evalexpr/tree/1.0.0) - 2019-03-20
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* First stable release |