0.1.29

v0.1.29

0.1.28.1

vweb: set_content_type()

0.1.28

0.1.28

0.1.27

• vfmt has been re-written from scratch using the new AST parser. It's much faster, cleaner, and can format
  files with compilation errors.
• strconv, sprintf, and printf in native V, without any libc calls.
• Interfaces are now a lot more stable and have all expected features.
• Lots of x64 backend improvements: function calls, if expressions, for loops, local variables.
• map() and filter() methods can now be chained.
• New []int{cap:cap, len:len} syntax for initializing array length and capacity.
• New is keyword for checking the type of sum types and interfaces.
• as can now be used to cast interfaces and sum types.
• Profiling with -profile. Prints a nice table with detailed information about every single function call:
  number of calls, average time per call, total time per function.
• import(xxx) syntax has been removed in favor of import xxx for simplicity and greppability.
• Lots of fixes and improvements in the type checker.
• time.StopWatch
• dl module for dynamic loading.
• Automatic str() method generation for every single type, including all arrays and fixed size arrays.
• Short struct initialization syntax for imitating named function args: foo(bar:0, baz:1).
• New operator !in.
• Performance improvements in critical parts of the builtin data structures (array, map).
• High order functions improvements (functions can now be returned etc).
• Anonymous functions that can be defined inside other functions.
• Built-in JSON module is back.
• Closures.
• Lots and lots of new tests added, including output tests that test error messages.
• Multiple errors are now printed, the compiler no longer stops after the first error.
• The new JS backend using the AST parser (almost complete).
• Variadic functions.
• net.websocket module (early stage).
• vlib is now memory leak free, lots of autofree improvements.
• Simplified and cleaned up cmd/v, v.builder.
• V UI was updated to work with the new backend.

0.1.24

• A new parser/generator built on top of an AST that simplifies code greatly and allows to implement new
  backends much faster.
• Sum types (type Expr = IfExpr | MatchExpr | IntegerLiteral).
• B-tree map (sped up the V compiler by ~10%).
• v fmt -w.
• The entire code base has been formatted with vfmt.
• Generic structs.
• SDL module.
• Arrays of pointers.
• os: is_link(), is_dir(), exists().
• Ranging through fixed size arrays.
• Lots of fixes in ORM and vweb.
• The first tutorial: building a simple web application with vweb.
• Match expressions now must be exhaustive.
• freestanding: malloc()/free().
• ++ is now required instead of += 1 for consistency.
• Interpolated strings now allow function calls: println('val = $get_val()').
• string.replace_each([]) for an efficient replacement of multiple values.
• More utf8 helper functions.
• -prealloc option for block allocations.
• type aliases.
• Running v with an unknown command will result in an error.
• atof implementation in pure V.
• Enums can now have negative values.
• New filepath module.
• math.factorial.
• ftp module.
• New syntax for casting: val as Type.
• Fewer libc functions used (soon V will have no dependency on libc).

0.1.23.1

ci: install dependencies for package tests

0.1.23

• Direct x64 machine code generation. Hello world being built in 3 milliseconds.
• Bare metal support via the -freestanding flag, allowing to build programs without linking to libc.
• Prebuilt V packages for Linux, macOS, and Windows.
• string.index() now returns ?int instead of int/-1.
• Lots of fixes in Generics.
• vweb framework for developing web applications is back.
• Vorum, the forum/blogging software written in V/vweb, can now be compiled and has been added to CI.
• REPL, v up have been split up into separate applications to keep the core V compiler small.
• V now enforces short enum syntax (.green instead of Color.green) when it's enough.
• V UI for macOS.
• Interfaces have been rewritten. []interface support.
• os.cp() for copying files and directores.
• Additional compile-time flags: $if clang, msvc, mingw, x32, x64, big_endian, little_endian {.
• All C functions now have to be declared, all missing C functions have been defined.
• Global variables (only with the --enable-globals flag) for low level applications like kernels and drivers.
• Nothing can be cast to bool (previously code like if bool(1) { worked.
• << and >> now work with all integer types.
• V detects Cygwin and shows an error. (V supports Windows natively)
• Improved type checking of some operators (%, |, & etc).
• Windows 7 support.
• println(true) now prints true instead of 1.
• os.exec() now uses CreateProcess on Windows.
• fast.vlang.io website for monitoring the performance of V after every commit.
• On Windows Visual Studio is now used automatically if GCC is not installed.
• vfmt!
• Lots of cleaning up in the compiler code.
• Multi-level pointers in unsafe code (****int).
• MSVC backtrace.
• $if os { blocks are now skipped on a different OS.
• C string literals (c'hello').
• AlpineLinux/musl fixes + added to CI.
• Inline assembly.
• Clipboard module (Windows, macOS, X).
• foo()? syntax for error propagation.
• Docs have been migrated from HTML to doc/docs.md.
• eventbus module.
• Haiku OS support.
• malloc/free on bare metal.
• utf8 helper functions (to_lower(), to_upper(), etc).
• Optimization of for c in str {.
• string/array.left/right/slice/substr were removed ([a..b] slicing syntax should be used instead).

0.1.21

• none keyword for optionals.
• Solaris support.
• All table lookup functions now use none.
• varargs: fn foo(bar int, params ...string) {
• Double quotes (") can now also be used to denote strings.
• GitHub Actions CI in addition to Travis.
• -compress option. The V binary built with -compress is only ~90 KB!
• More memory management.
• Unused modules result in an error.
• "Unused variable/module" errors are now warnings in non-production builds.
• Duplicate methods with the same name can no longer be defined.
• Struct names must be capitalized, variable/function names must use snake_case.
• Error messages are now even nicer!
• Lots of fixes in automatic .str() method generation for structs and arrays.
• ~30% faster parser (files are no longer parsed separately for each pass).
• _ is no longer a variable, but an actual syntax construct to skip unused values, like in Go.
• Multiple returns (fn foo() (int, string) {).
• ! can now only be used with booleans.

0.1.20

• JavaScript backend!
• Hundreds of C warnings were fixed. gcc v.c now builds without
  any warnings.
• The mutability check now applies to function args (mutable
  receivers that are not modified result in a compilation error).
• V tests now show how long each test took.
• Official Android support (only console applications via Termux for now).
• Typo check. If a variable/function/module etc is misspelled,
  V will suggest the correct name.
• Lots of Microsoft C fixes, and a separate Travis instance for
  this backend.
• Bitwise operators |, ^, & no longer work with booleans.

0.1.19

• Lots of refactoring, simplifications, and optimizations in the compiler.
• Experimental memory management at compilation (only for the V compiler itself for now).
• Lots of ORM fixes.
• Functions can now be inlined via the [inline] attribute.
• New mysql module.
• Better error format that is supported by all major editors (go to error).
• Error messages now point to the actual place where the error happened.
• Custom json field names: struct User { last_name string [json:lastName] }.
• Raw json fields via the [raw] attribute.
• All C code was removed from the freetype module.
• gg module can now render all Unicode characters.
• [typedef] attribute for imported C struct typedefs.
• Support of Objective C interfaces (primarily for using Cocoa).
• REPL: clear command and custom functions.
• REPL tests (which are also used for testing certain compiler errors).
• Syntax bug fixed: foo[0] += 10 is now possible.
• http: support plain HTTP protocol and follow redirects.
• http: header data is now processed correctly.
• net: basic UDP support.
• import const was removed from the language.
• array.contains() was removed from the language (in should be used instead).
• [0; len] syntax was removed (replaced with a simpler [0].repeat(len))
• Primitive aliases were removed to simplify the language.
• GitHub supports V now!
• Backtraces are now printed on panics.
• A new awesome readline module.
• V.c is now regenerated automatically after every commit.
• A bug with struct ordering was fixed, now structs can be declared in any order.
• V modules can now be built with v build module.
• @FILE, @LINE, @FN, @COLUMN for debugging.
• JavaScript backend!