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@schungx schungx released this 01 Oct 02:52
v0.19.0
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The major new feature for this version is Plugins support, powered by procedural macros.
Plugins make it extremely easy to develop and register Rust functions with an Engine.

Version 0.19.0 released to crates.io.

Bug fixes

  • if statement with an empty true block would not evaluate the false block. This is now fixed.
  • Fixes a bug in Module::set_fn_4_mut.
  • Module API's now properly handle &str and String parameters.
  • Indexers are available under no_object.
  • Registered operator-assignment functions (e.g. +=) now work correctly.

Breaking changes

  • Engine::register_set_result and Engine::register_indexer_set_result now take a function that returns Result<(), Box<EvalAltResult>>.
  • Engine::register_indexer_XXX and Module::set_indexer_XXX panic when the type is Array, Map or String.
  • EvalAltResult has a new variant ErrorInModule which holds errors when loading an external module.
  • Module::eval_ast_as_new now takes an extra boolean parameter, indicating whether to encapsulate the entire module into a separate namespace.
  • Functions in FileModuleResolver loaded modules now can cross-call each other in addition to functions in the global namespace. For the old behavior, use MergingFileModuleResolver instead.
  • New EvalAltResult::ErrorInModule variant capturing errors when loading a module from a script file.

New features

  • Plugins support via procedural macros.
  • Scripted functions are allowed in packages.
  • parse_int and parse_float functions for parsing numbers; split function for splitting strings.
  • AST::iter_functions and Module::iter_script_fn_info to iterate functions.
  • Functions iteration functions for AST and Module now take FnMut instead of Fn.
  • New FileModuleResolver that encapsulates the entire AST of the module script, allowing function cross-calling. The old version is renamed MergingFileModuleResolver.
  • + and - operators for timestamps to increment/decrement by seconds.
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