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More 0.9 release notes

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Brian Anderson 2014-01-06 14:50:25 -08:00
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RELEASES.txt
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@ -1,7 +1,7 @@
Version 0.9 (January 2014) Version 0.9 (January 2014)
-------------------------- --------------------------
* ~1600 changes, numerous bugfixes * ~1800 changes, numerous bugfixes
* Language * Language
* The `float` type has been removed. Use `f32` or `f64` instead. * The `float` type has been removed. Use `f32` or `f64` instead.
@ -22,6 +22,9 @@ Version 0.9 (January 2014)
* `@fn`s have been removed. * `@fn`s have been removed.
* `do` only works with procs in order to make it obvious what the cost * `do` only works with procs in order to make it obvious what the cost
of `do` is. of `do` is.
* Single-element tuple-like structs can no longer be dereferenced to
obtain the inner value. A more comprehensive solution for overloading
the dereference operator will be provided in the future.
* The `#[link(...)]` attribute has been replaced with * The `#[link(...)]` attribute has been replaced with
`#[crate_id = "name#vers"]`. `#[crate_id = "name#vers"]`.
* Empty `impl`s must be terminated with empty braces and may not be * Empty `impl`s must be terminated with empty braces and may not be
@ -32,6 +35,8 @@ Version 0.9 (January 2014)
* `printf!` and `printfln!` (old-style formatting) removed in favor of * `printf!` and `printfln!` (old-style formatting) removed in favor of
`print!` and `println!`. `print!` and `println!`.
* `mut` works in patterns now, as in `let (mut x, y) = (1, 2);`. * `mut` works in patterns now, as in `let (mut x, y) = (1, 2);`.
* The `extern mod foo (name = "bar")` syntax has been removed. Use
`extern mod foo = "bar"` instead.
* New reserved keywords: `alignof`, `offsetof`, `sizeof`. * New reserved keywords: `alignof`, `offsetof`, `sizeof`.
* Macros can have attributes. * Macros can have attributes.
* Macros can expand to items with attributes. * Macros can expand to items with attributes.
@ -76,6 +81,7 @@ Version 0.9 (January 2014)
variables. Currently behind the `thread_local` feature gate. variables. Currently behind the `thread_local` feature gate.
* The `return` keyword may be used in closures. * The `return` keyword may be used in closures.
* Types that can be copied via a memcpy implement the `Pod` kind. * Types that can be copied via a memcpy implement the `Pod` kind.
* The `cfg` attribute can now be used on struct fields and enum variants.
* Libraries * Libraries
* std: The `option` and `result` API's have been overhauled to make them * std: The `option` and `result` API's have been overhauled to make them
@ -90,9 +96,14 @@ Version 0.9 (January 2014)
* std: The reference counted pointer type `extra::rc` moved into std. * std: The reference counted pointer type `extra::rc` moved into std.
* std: The `Gc` type in the `gc` module will replace `@` (it is currently * std: The `Gc` type in the `gc` module will replace `@` (it is currently
just a wrapper around it). just a wrapper around it).
* std: The `Either` type has been removed.
* std: `fmt::Default` can be implemented for any type to provide default * std: `fmt::Default` can be implemented for any type to provide default
formatting to the `format!` macro, as in `format!("{}", myfoo)`. formatting to the `format!` macro, as in `format!("{}", myfoo)`.
* std: The `rand` API continues to be tweaked. * std: The `rand` API continues to be tweaked.
* std: The `rust_begin_unwind` function, useful for insterting breakpoints
on failure in gdb, is now named `rust_fail`.
* std: The `each_key` and `each_value` methods on `HashMap` have been
replaced by the `keys` and `values` iterators.
* std: Functions dealing with type size and alignment have moved from the * std: Functions dealing with type size and alignment have moved from the
`sys` module to the `mem` module. `sys` module to the `mem` module.
* std: The `path` module was written and API changed. * std: The `path` module was written and API changed.