v0.6.0

Changelog

• Introduce #[cgp_impl] to simplify provider trait implementation - #174
• Allow context types to delegate components directly - #175
• Introduce #[cgp_inherit] for inheriting from presets - #176
• Fix use of self inside default trait method implementation body - #179

v0.5.0

Read the announcement blog post

Changelog

• Monadic computation support

  • Use Monadic composition to simplify the implementation of DispatchMatchers - #127
  • Add full monad transformer support for monadic composition of CGP handlers - #129

• Extensible data types improvements

  • Add generalized field transformation on partial records to support building with default values. - #128
  • Add CanFinalizeWithDefault method for partial records - #130
  • Extensible Visitor Improvements - #132
  • Add support for passing additional arguments to extensible visitors - #134
  • Add extensible visitor support mutable partial variants - #135
  • Introduce UpdateField trait to generalize field transformation in partial data - #148
  • Add optional field builder constructs for extensible records - #152
  • Introduce #[derive(CgpData)] and #[derive(CgpRecord)] Macros - #154
  • Add __ prefix to Partial data types generated - #156
  • Implement ref variants of matcher providers - #161

• Handler improvements

  • Introduce AsyncComputer Component - #136
  • Derive AsyncComputer when using #[cgp_computer] with async functions - 137
  • Add new cgp-extra-macro crate - #138

• Dispatch macro

  • Implement #[cgp_dispatch] macro - #139
  • #[cgp_dispatch] macro improvements - 142
  • Rename #[cgp_dispatch] to #[cgp_auto_dispatch] - #155

• Component system improvements

  • Allow only provider name to be specified inside #[cgp_getter] - #143
  • Support use of lifetime parameters inside CGP traits - #145
  • Add ?Sized bound to DelegateComponent's Name parameter - #147
  • Allow shortcut definition of provider name in #[cgp_type] - #163
  • Fix use of new in delegate_components! when keys array are used - #164
  • Add Life type to represent lifetimes as types - #166

• Field improvements

  • Desugar field constructs into their symbolic forms - #151
  • Allow first argument in #[cgp_getter] methods to be non-self - #169

• Symbol improvements

  • Implement MatchStr for static string matching with symbols - #153
  • Implement StaticString trait to produce &'static str from symbol types - #159

• Breaking changes toward stabilization

  • Remove Async trait and Send bounds in async functions - #149
  • Reorganize exports in cgp-field - #150
  • Rename Char to Chars - #165
  • Remove HasInner trait - #170
  • Remove lowercase symbol! macro - #173

v0.4.2

Changelog

• Implement Extensible Data Types - more info in the blog post

  • Data-generic programming support in CGP - #112
  • Implement DispatchHandlersRef for dispatching based on enum references - #116
  • Builder dispatcher refactoring - #117
  • Introduce ref version of handler traits - #118
  • Dispatcher Refactoring - #119
  • Remove Input param from MatchWithFieldHandlers - #120
  • Support use of ref handlers in handler macros - #121

• Preset Improvements

  • Add new direct delegation mode and use it in preset inheritance - #111

• Bug Fixes

  • Derive HasField<Index<{i}>> for structs with unnamed fields - #115
  • Allow unsized generic arguments in IsProviderFor trait - #114

v0.4.1

More details about this release is covered in the update blogpost.

Changelog

• New cgp-handler Crate

  • Introduce new cgp-handler crate - #105

• Macro Improvements

  • Support wrapping of Preset::Provider inside cgp_preset! macro - #103
  • Support derivation of UseDelegate inside #[cgp_component] - #106

• CGP Field Improvements

  • Format Char statically without self - #104

• Miscellaneous

  • Minor improvements - #107

• Documentation

  • Add inline Rust documentation for common CGP constructs - #109

v0.4.0

More details about this release is covered by the update blogpost.

Changelog

• Debugging Improvements

  • Implement delegate_and_check_components! - #98
  • Implement check_components! macro to check if a context implements a component - #78
  • Permanently enable provider supertrait - #73
  • Introduce #[new_cgp_provider] to also generate provider struct definition - #67
  • Preserve original provider bounds inside #[cgp_provider] - #65
  • Introduce IsProviderFor trait to help improve compile errors - #63

• CGP Presets Implementation

  • Fix nested inheritance and multi inheritance for presets - #92
  • Preset Macro Improvements - #91
  • Expand cgp_preset! into a preset module - #72
  • Re-export imports inside a re_export submodule - #71
  • Introduce #[cgp::re_export_imports] macro - #70

• CGP Getter Improvements

  • CGP Getter Improvements - #94
  • Getter Macro Improvements - #87
  • Refactoring and Improvements on #[cgp_getter] - #81
  • Fix component generics inside derivation of WithProvider for #[cgp_getter] - #80
  • Fix #[cgp_getter] macro when the getter trait contains generic parameters - #76
  • Allow generic arguments inside #[cgp_auto_getter] traits - #64

• Macro Improvements

  • Simplify attribute arguments for #[cgp_component], #[cgp_provider] and #[cgp_context] - #96
  • Allow definition of new structs inside delegate_components! - #93
  • Migrate macro tests to cgp-tests crate, part 1 - #90
  • Automatically derive UseContext implementation inside #[cgp_component] - #88
  • Macro Crates Reorganization - #83
  • Refactoring and rename #[trait_alias] to #[blanket_trait] - #82
  • Introduce #[trait_alias] macro to simplify definition of alias traits - #79
  • CGP Macro Refactoring - #77
  • Rename #[new_cgp_provider] to #[cgp_new_provider] - #75
  • Introduce #[cgp_context] attribute macro for CGP contexts - #66

• Component System Improvements

  • Rename HasProvider trait to HasCgpProvider - #97
  • Add support for const item in component traits - #95
  • Remove 'static bound from Async trait alias - #89
  • Rename HasComponents trait to HasProvider - #69
  • Redesign cgp_type to work as attribute macro - #68

• CGP Field Improvements

  • Add Display instance for symbol types - #86
  • Use Unicode Greek alphabets for visual representation of CGP field types - #85
  • Implement traits and derive macros for HasFields, FromFields, and ToFields - #84
  • Add #[diagnostic::do_not_recommend] to blanket impl of HasField - #74

v0.3.1

• Update Rust MSRV to v1.84 - #58

• Add HasAsyncErrorType to prelude - #59

• Add CanRaiseAsyncError and CanWrapAsyncError to cgp-error and prelude - #60

v0.3.0

More details about this release is covered by the update blogpost.

Changelog

• Introduce Accessor Component Macros - #56

  • Introduce #[cgp_getter] attribute macro that extends #[cgp_component] and implement
    UseFields and UseField for accessor traits.
  • Introduce #[cgp_auto_getter] attribute macro for deriving accessor traits with
    blanket implementations that use HasField directly.

• Introduce cgp_type! macro for defining simple abstract CGP types - #55

  • Use cgp_type! to derive HasErrorType and HasRuntimeType.

• Implement ErrorWrapper on generic ErrorRaiser providers - #54

  • Implement ErrorWrapper for the following providers: DebugError, DisplayError,
    DebugAnyhowError, DisplayAnyhowError, RaiseAnyhowError,
    DebugEyreError, DisplayEyreError, RaiseEyreError,
    DebugBoxedStdError, DisplayBoxedStdError.

• Reorganize crate exports - #53

  • Move generic error providers to the cgp-error-extra crate.
  • Add an alloc feature to cgp-error-extra to enable use of alloc in providers.
  • Make private the sub-modules inside CGP crates.
  • Explicitly export module items instead of using *.

• Move cgp-inner to cgp-extra - #51

  • Remove re-export of cgp-inner from cgp-core.
  • Re-export cgp-inner and cgp-runtime from cgp-extra.

• Introduce cgp-runtime crate - #50

  • Introduce the HasRuntimeType and HasRuntime traits.
  • Introduce HasAsyncRuntimeType trait used for adding Async constraint to HasRuntimeType::Error.

• Error crates refactoring - #48

  • Remove Async trait bound from HasErrorType::Error.
  • Introduce HasAsyncErrorType trait used for adding Async constraint to HasErrorType::Error.
  • Introduce CanWrapError trait.
  • Introduce generic ErrorRaiser providers in cgp-error.
  • Rename and reoganize constructs in cgp-error-eyre and cgp-error-std.
  • Introduce cgp-error-anyhow crate.

• Decouple component and field macro crates from the library crates - #47

  • Remove cgp-component-macro crate from being a dependency of cgp-component.
  • Remove cgp-field-macro crate from being a dependency of cgp-field.