The fifth Mun release includes usability improvements, dependency upgrades, and bug fixes.

Added

• Suggestions if an invoked function cannot be found #524
• Script for running and collecting Miri logs #537
• Tests for multi-file hot reloading #522

Changed

• Bump LLVM from 13 to 14 #495
• Use detailed error enums instead of anyhow in libraries #521
• Bump Inkwell to 0.2.0 #529
• Bump Rust to 1.73 #515 #541

Fixed

• Invalid output module path in ABI #520
• Missing polly static library #523
• Missing validators in diagnostics tests #527
• Detect and report cyclic type aliases and leaked privacy #528
• Failing test_function_release_strong_count test #535

The fourth Mun release includes language-support for dynamically-sized arrays, support for Apple's M1 chips and experimental support for iOS, major refactors of our back-end to support indirect types and recursion - as seen with arrays and pointers - transitions to a monorepo, and solves a range of bugs.

Added

• Clone trait implementation to RootedStruct #323
• Private function leak validation #338
• Dynamically-sized arrays #341
• Private struct type leak validation #344
• Mun logo #355
• Send trait implementation to Mun Runtime #370
• Use static-crt on Windows #376
• Link type information when loading Mun library #377
• Indirect types to Mun ABI #415
• Type API to mitigate cyclic type references #427
• Mac M1 Support #444
• Bevy example #475

Changed

• Bump Rust from 1.50.0 to 1.65.0 #325 #327 #334 #346 #350 #357 #360 #369 #378 #406 #432 #474 #477
• Simplified invoke syntax #347
• Bump LLVM from 11 to 13 #351 #491
• Move Mun runtime FFI submodule to monorepo #352
• Bump Rust to 2021 edition #367
• Move Mun ABI submodule to monorepo #404
• Performance optimisations #405
• Reduce workspace target folder size from 10.9 GB to 10.6 GB #457
• Reduce workspace build dependencies from 296 to 270 #457
• Reduce workspace dev dependencies from 502 to 496 #457
• Move Rust examples submodule to monorepo #475
• Switch to LLVM code coverage instead of using Tarpaulin #478

Removed

• Move lld-rs to separate repository #373
• Unused dependencies #435

Fixed

• Typos in documentation #340 #348
• Type inference problem for resolved types #358
• Mac OS Big Sur sdkroot #362
• Missing closing brace of error_block #364
• Missing semicolon in declaration recovery set #365
• C API link in book #372
• Multi-threaded cargo test #407

The third Mun release includes big usability improvements; multi-file projects, a language server with diagnostics and autocompletion, and improvements to robustness and developer workflow to name a few.

^_🔗 feature

• initial LSP support

^_🔗 improvement

• add benchmarks for and optimise struct field marshalling

^_🔗 improvement

• shared diagnostics between compiler and language server

^_🔗 misc

• build binaries for release branches

^_🔗 improvement

• explicitly specify latest Ubuntu LTS

^_🔗 improvement

• bump bindgen dependency to 0.54

^_🔗 fix

• parsing of unmatched right curly braces ('}')

^_🔗 refactor

• upgrade to salsa 0.15

^_🔗 fix

• removed outdated comments

^_🔗 feat

• Implement mun new and mun init

^_🔗 feat

• type alias

^_🔗 refactor

• move library loading logic to separate crate

^_🔗 refactor

• move test utility functions to separate crate

^_🔗 refactor

• upgrade to official inkwell

^_🔗 refactor

• generate C ABI from Rust code

^_🔗 refactor

• emit and link bitcode files instead of object files

^_🔗 refactor

• use custom prebuild llvm distribution on ubuntu

^_🔗 fix

• emit and link bitcode files instead of obj does not work on MacOS

^_🔗 feat

• add mdbook plugin for testing mun code in book

^_🔗 fix

• never return type in let initializer

^_🔗 refactor

• use Idx instead of macro in arena

^_🔗 misc

• split database and added docs

^_🔗 bump

• pin rust version to 1.46.0

^_🔗 bump

• smol_str dependency to 0.1.17

^_🔗 feature

• refactored RawItems into ItemTree

^_🔗 feature

• adds fixtures to support multiple files from string

^_🔗 bump

• actions/core from 1.2.4 to 1.2.6 in /.github/actions/install-llvm

^_🔗 fix

• dont run mun tests on CI

^_🔗 bump

• rust 1.47

^_🔗 fix

• 7zip issues

^_🔗 feature

• adds modules and visibility

^_🔗 docs

• fix broken book link and CoC link

^_🔗 fix

• alignment of struct fields

^_🔗 feat

• add AsValue macro support for enums

^_🔗 refactor

• make type-specific data (such as StructInfo) part of TypeInfo

^_🔗 bump

• rust 1.48

^_🔗 feature

• use statements language support

^_🔗 bump

• rust 1.49

^_🔗 fix

• shorten commit hash with environment file

^_🔗 feat

• adds lsp document symbol provider

^_🔗 feat

• integrated new vfs

^_🔗 feat

• removed async code and switched to lsp_server

^_🔗 feat

• add option to emit IR

^_🔗 feature

• adds document symbol provider

^_🔗 feature

• implements incremental file updates

^_🔗 feat

• runtime linking

^_🔗 misc

• adds logging to windows llvm install

^_🔗 fix

• manually extract llvm release to get more output

^_🔗 bump

• Inkwell beta.2 and LLVM11

^_🔗 feat

• describe how to install/build LLVM

^_🔗 feat

• add mut keyword

^_🔗 feat

• support for completions

^_🔗 fix

• parser performance issues

^_🔗 bump

• bumps Rust to 1.50

^_🔗 refactor

• generate rust tests for code snippets in book

^_🔗 misc

• update runtime FFI

^_🔗 feat

• updated book for 0.3 changes

Special thanks to @emi2k01, @tdejager, @ethanboxx, @sinato, @dependabot, @legendiguess, and @sburris0 for their contributions to this release.

This patch release for Mun v0.2.0 includes a variety of bug fixes:

^_🔗 fix

• Remove return-blocking semicolon from ch01 listing 01 of the book

^_🔗 fix

• Code blocks in ch02-02-functions of the book

^_🔗 fix

• Replace overly complicated redirection rules with a simple hack

^_🔗 fix

• Missing argument for fibonacci function in the book

^_🔗 refactor

• Type-safe inkwell types

^_🔗 fix

• Replace float with f32 in the book

^_🔗 fix

• Windows libclang issues

^_🔗 fix

• Rust v1.44 cargo fmt and clippy errors

^_🔗 fix

• Crash on missing nested private function

^_🔗 fix

• Panic when using mun build

^_🔗 fix

• clippy::many_single_char_names in macro

^_🔗 fix

• Compiler panics when accessing a field of a temporary

^_🔗 fix

• LLVM assertions

^_🔗 fix

• Proper tarpaulin skip attribute

Special thanks to @RadicalZephyr, @benediktwerner, and @fominok for their contributions to this release; and to @jDomantas and @sigmaSd for the initial discovery and reporting of fixed issues.

The second Mun release includes big new features such as hot reloading support for data structures, garbage collection, and full operator and literal support for fundamental types.

^_🔗 feature

• Incremental compilation when hot reloading

^_🔗 docs

• Install instructions in README

^_🔗 refactor

• Use codecov.io instead of coveralls

^_🔗 feature

• loop expression

^_🔗 misc

• Changed crate authors

^_🔗 feature

• break expression

^_🔗 feature

• while expression

^_🔗 feature

• struct declarations
• struct literals
• ABI support for struct types

^_🔗 docs

• LLVM install instructions for Arch Linux in README

^_🔗 refactor

• Optimised CStr::from_ptr(ptr).to_str() to from_utf8_unchecked in ABI

^_🔗 test

• Test UTF-8 validity of compiler-generated CStr

^_🔗 feature

• Tools for manual generation of ABI & runtime CAPI bindings

^_🔗 feature

• Simple binary operation type checking

^_🔗 docs

• License, homepage, and repository information in README

^_🔗 feature

• Compiled libraries use munlib extension

^_🔗 feature

• Improved error messages for missing function signatures

^_🔗 feature

• Marshalling of struct types

^_🔗 refactor

• MunStructInfo is appended to MunTypeInfo for struct types

^_🔗 test

• Unit test for LineIndex::line_str function

^_🔗 feature

• Marshalling of fields with the struct type

^_🔗 feature

• Updated Runtime CAPI
• Unit tests for Runtime CAPI

^_🔗 feature

• Support for extern functions in the dispatch table

^_🔗 feature

• Integration with annotate-snippets crate

^_🔗 feature

• Restrict symbol generation to pub functions

^_🔗 feature

• Marshalling of struct(value) types

^_🔗 feature

• extern functions

^_🔗 feature

• Heap-allocated object management using pointer indirection

^_🔗 feature

• Size and alignment of types in ABI

^_🔗 feature

• Garbage collection using mark & sweep

^_🔗 misc

• Code coverage using tarpaulin instead of grcov

^_🔗 test

• Test for incremental compilation

^_🔗 misc

• Upgraded parking_lot dependency

^_🔗 feature

• Performance benchmarks

^_🔗 improvement

• Upgraded failure dependency

^_🔗 refactor

• Retrieve TypeInfo and StructInfo during calls in a StructRef

^_🔗 misc

• Upgraded cbindgen dependency

^_🔗 docs

• Updated Arch Linux install instructions in README

^_🔗 refactor

• struct memory mapping

^_🔗 improvement

• Typed literals
• Hex, binary, and octal literals
• Allow underscores in numeric literals

^_🔗 refactor

• Use -> instead of : for function return types

^_🔗 feature

• i128 and u128 integer types

^_🔗 misc

• Lock cbindgen dependency

^_🔗 feature

• Runtime support for extern functions without return type

^_🔗 misc

• Merged file_ir and group_ir snapshots

^_🔗 style

• Missing space in invoke_fn15 function

^_🔗 feature

• % and %= operators

^_🔗 feature

• Unary ! and - operators

^_🔗 feature

• Cast fundamental types during struct memory mapping

^_🔗 chore

• Split artifact generation and CI tests

^_🔗 refactor

• Simplified MemoryMapper API
• Clarified usage of unsafe code

^_🔗 feature

• StructRef can be cloned

^_🔗 feature

• bool assignment (=) operator
• struct assignment (=) operator
• bool and (&&), or (||) operators
• bitwise and (& and &=), or (| and |=), xor (^ and ^=) operators
• left-shift (<< and <<=), right-shift (>> and >>=) operators

^_🔗 improvement

• Return Rc<RefCell<Runtime>> from RuntimeBuilder

^_🔗 feature

• Number type inferencing

^_🔗 misc

• Removed float, uint, and int types

^_🔗 misc

• Updated code sample in README

^_🔗 misc

• Updated badges in README

^_🔗 feature

• Garbage collection methods in Runtime CAPI

^_🔗 test

• Test for type conversion during memory mapping

^_🔗 refactor

• Split FunctionInfo into signature, prototype, and definition

^_🔗 feature

• Support for adding extern functions in Runtime CAPI

^_🔗 misc

• Removed old snapshots

^_🔗 feature

• Map fields with different struct memory kinds during memory mapping
• Zero initialise fields with different struct types during memory mapping

^_🔗 misc

• Buoyancy example

^_🔗 misc

• Log upon assembly reload

^_🔗 misc

• Cloning instructions in README

^_🔗 misc

• Updated code sample in README

^_🔗 feature

• Mun book in main repository

^_🔗 misc

• crates.io publishing metadata

^_🔗 misc

• Updated binaries for Runtime C API

In addition, there were a lot of bug fixes.

Special thanks to @legendiguess and @Jakbyte for their contributions to this release.

First Mun release with hot reloading support for fundamental types and functions.

^_🔗 feature

• Auto-generation of Mun ABI for Rust

^_🔗 feature

• Rust macros for runtime function invocation

^_🔗 feature

• badges
• licenses

^_🔗 feature

• Detection of duplicate definition names

^_🔗 feature

• Runtime builder
• Compiler daemon that detects changed files and recompiles them
• Command-line interface for Mun Compiler and Mun Runtime

^_🔗 feature

• Function call inferencing
• Generation of function call IR
• Dispatch table

^_🔗 feature

• Integrate dispatch table in Mun runtime

^_🔗 feature

• Trait extension of Result type that allows retrying and waiting for a correct result

^_🔗 feature

• Automatic generation of C bindings for the runtime

^_🔗 feature

• Comparison operators

^_🔗 feature

• Parsing of if statements
• Testing of type inferencing
• Add cargo husky to enable automatic git hooks
• never type
• if statement type checking
• if expressions code generation
• Diagnostics for mismatching or missing else
• Run clippy on CI and pre-commit

^_🔗 feature

• C++ bindings for the Mun Runtime
• Error reporting
• Example of hot reloading in the Mun Runtime

^_🔗 feature

• Update operators and diagnostics

^_🔗 feature

• Github actions continuous integration

^_🔗 feature

• Generation and upload of artifacts

^_🔗 feature

• Statically link against liblld instead of spawning as process

^_🔗 feature

• return expressions

^_🔗 feature

• Support all fundamental types as return types when starting a Mun library from the CLI