v0.10.0

• Implicit Selector Expressions
• Half-closed range a..<b ([a, b))
  • This is alongside the closed range a..b ([a, b])
• notin binary operator for map and bit_set types:
  • x notin y (equivalent to !(x in y))
• Endian specific integers
  • e.g. i32, i32le, i32be
• Reintroduction of i128 and u128
• Labels for blocks and if statements (break only)
• Improved common parsing errors (e.g. C-style -> for selectors rather than Odin-style .)
• Import name rules
  • The import name for the package will try to be determined from the import path
• Context-based Logging system
• #load
  • Load a file at compile time as a byte slice
• Procedure group syntax change to proc{}
• General core library improvements
• Odin Parser as part of the core library
  • import "core:odin/parser" et al.
• New build flag: -define:foo=123
• #defined built-in procedure
  • when #defined(FOO) { ... }
• Improved -vet
• Replace foreign export with @export
• @private
• @static

Experimental Features

• odin query
  • -go-to-definitions (OGTD file format)
  • -global-definitions (JSON file format)
  • -compact (compactify the JSON file)
• intrinsics.vector type

Related Topics

• New Odin website: https://odin-lang.org
• New Odin documentation: https://odin-lang.org/docs/

Odin v0.9.1

Bug Fixes

• Debug fix
• Recursive loop bug for polymorphic types
• #complete switch for pointers to unions
• Allow for single fields struct #raw_union
• Redefine how union tag size is calculated to match alignment of the union data

Odin v0.9.0

New Features

• package system
• Improved PDB support with code inspection
• typeid type (also a keyword)
• type is not a keyword any more
• opaque type
• Parameteric polymorphic union type:
  • union(T: typeid, N: int) {int, T, [N]T}
• bit_set type:
  • bit_set[Some_Enum];
  • bit_set['A' .. 'Z'];
  • bit_set[0..8; u16];
• cstring type (useful for interfacing with C libraries)
• in binary operator for map and bit_set types:
  • x in y
• Parametric polymorphic signature changes with polymorphic names:
  • new :: proc($T: typeid) -> ^T {}
  • make_int_array :: proc($N: int) -> [N]int {}
  • foo :: proc($N: $I, $T: typeid) {}
• auto_cast unary operator
• Explicit inline and no_inline on procedure calls
• deprecated attributes
• Built-in procedures:
  • #defined
  • #assert compile time assert
  • expand_to_tuple for (fixed length) arrays
  • typeid_of
• "intrinsics" package:
  • Atomics
• Diverging procedures proc() -> ! (no return)
• using Foo :: enum {A, B, C}; f := A;
• Foo :: enum {A, B, C}; len(Foo)
• New context features:
  • temp_allocator
  • logger (Still in development)
  • Assigning directly to context parameters creates a new context
  • (context is scope based)
• New compiler flags:
  • -lld (use LLD as the linker on Windows)
• Improved minimum dependency building
• foreign import x {"foo.lib", "bar.lib"}

Removed Features

• using in
• Old import system (replaced with the package system)

LLVM Binaries for Windows

llvm-windows

Allow enums for array lengths

Odin v0.8.1

Fixes

• Fix initialization value for variables

Odin v0.8.0

New Features

• Basic Debug Information Support
  • PDB generation with -debug
• distinct types
  • My_Int :: distinct int; My_Int != int
  • Foo_Bar :: int; Foo_Bar == int
  • struct, enum, union, proc, and bit_field types will always be distinct if named
• Sized booleans
  • b8 b16 b32 b64
• Removal of 128 bit integers
• using in
  • using println in import "core:fmt.odin"
  • using a, b, c in foo;
• enum #export
  • Foo :: enum #export {A, B, C}; a := A;
• Explicit procedure overloading
  • foo :: proc[bar, baz, asd, goop];
• Remove of implicit procedure overloading
• New build flags:
  • -no-bounds-check
  • -debug
• Improved minimal dependency build

Odin v0.7.1

Patch Changes

• Update version string
• Update command line usage text

New Features

• New importation system
  • import using import export
• Import collections
  • `import "core:fmt.odin"
  • import "shared:glfw.odin"
  • -collection=foo=path/to/foo
• Improved foreign system
  • foreign import
  • foreign blocks
  • foreign export blocks
  • foreign import "system:kernel32.lib"
• Global variable dependency initialization ordering
• Attribute system
  • @(link_name="gb_foo") foo :: proc() {};
  • @(link_prefix="gb_") foo :: proc() {};
  • Please see wiki for more
• Array Programming - arithmetic on fixed length arrays

a, b: [4]f32;
c := 2*(-a + b) / 3;
d := swizzle(c, 1, 0, 3, 2);

• uintptr
• Type aliases
  • My_Int :: #alias int;
• inline and no_inline prefix keywords for procedure literals
  • foo :: inline proc() {}
• Procedure calling convention syntax
  • proc "c" ()
  • proc "std" ()
  • proc "contextless" ()
• Default arguments allowed after a variadic parameter
  • print :: proc(args: ...any, loc := #caller_location) {}
• Polymorphic array lengths
  • proc(a: [$N]$T)

Syntax Changes

• switch replaces match
• context <- expr {} replaces push_context expr {}
• push_allocator has been removed in favour of general procedures to generate contexts
• -build-mode=dll replaces build-dll

Core library additions

• mem.ptr_to_bytes
• assert and panic use printf style parameters

Odin v0.7.0

New Features

• New importation system
  • import using import export
• Import collections
  • `import "core:fmt.odin"
  • import "shared:glfw.odin"
  • -collection=foo=path/to/foo
• Improved foreign system
  • foreign import
  • foreign blocks
  • foreign export blocks
  • foreign import "system:kernel32.lib"
• Global variable dependency initialization ordering
• Attribute system
  • @(link_name="gb_foo") foo :: proc() {};
  • @(link_prefix="gb_") foo :: proc() {};
  • Please see wiki for more
• Array Programming - arithmetic on fixed length arrays

a, b: [4]f32;
c := 2*(-a + b) / 3;
d := swizzle(c, 1, 0, 3, 2);

• uintptr
• Type aliases
  • My_Int :: #alias int;
• inline and no_inline prefix keywords for procedure literals
  • foo :: inline proc() {}
• Procedure calling convention syntax
  • proc "c" ()
  • proc "std" ()
  • proc "contextless" ()
• Default arguments allowed after a variadic parameter
  • print :: proc(args: ...any, loc := #caller_location) {}
• Polymorphic array lengths
  • proc(a: [$N]$T)

Syntax Changes

• switch replaces match
• context <- expr {} replaces push_context expr {}
• push_allocator has been removed in favour of general procedures to generate contexts
• -build-mode=dll replaces build-dll

Core library additions

• mem.ptr_to_bytes
• assert and panic use printf style parameters

Odin v0.6.2

Changes

Slightly modify the naming convention.

In general, Ada_Case for types and snake_case for values

Import Name:        snake_case (but prefer single word)
Types:              Ada_Case
Union Variants:     Ada_Case
Enum Values:        Ada_Case
Procedures:         snake_case
Local Variables:    snake_case
Constant Variables: SCREAMING_SNAKE_CASE

Odin v0.6.1a

Changes

• Minor fixes for *nix systems