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<!-- Roadmap -->
<h2 id="Roadmap">Go Roadmap</h2>
<p>
This page lists features and ideas being developed or discussed by the
Go team. This list will be updated as work continues.
<p>
The roadmap should be discussed on
the <a href="http://groups.google.com/group/golang-nuts">golang-nuts
mailing list</a>.
<h3 id="Language_roadmap">
Language roadmap</h3>
<p>
This is a list of language changes that are being considered.
Appearance on this list is no guarantee that the change will be
accepted.
<ul>
<li>
Possibly rewrite restriction on goto across variable declarations.
<li>
Variant types. A way to define a type as being the union of some set
of types.
<li>
Generics. An active topic of discussion.
<li>
Methods for operators, to allow a type to use arithmetic notation for
expressions.
<li>
Possibly allow top-level packages to be given names other than main.
</ul>
<h3 id="Implementation_roadmap">
Implementation roadmap</h3>
<ul>
<li>
Improved garbage collector.
<li>
Debugger.
<li>
App Engine support.
<li>
Improved implementation documentation.
</ul>
<h4 id="Gc_roadmap">
Gc compiler roadmap</h4>
<ul>
<li>
Implement goto restrictions.
<li>
Improved optimization.
<li>
Use escape analysis to keep more data on stack.
</ul>
<h4 id="Gccgo_roadmap">
Gccgo compiler roadmap</h4>
<ul>
<li>
Implement goto restrictions.
<li>
Use goroutines rather than threads.
<li>
Separate gcc interface from frontend proper.
<li>
Use escape analysis to keep more data on stack.
</ul>
<h4 id="Tools_roadmap">
Tools roadmap</h4>
<ul>
<li>
Strengthen goinstall until it can displace make for most builds.
</ul>
<h4 id="Packages_roadmap">
Packages roadmap</h4>
<ul>
<li>
Faster, RE2-like regular expressions.
<li>
Comprehensive support for international text.
<li>
Support for international dates, times, etc.
<li>
Support for multilingual messages.
</ul>
<h3 id="done">Done</h3>
<ul>
<li>
gc: Generate DWARF debug info.
<li>
gc: Provide gdb support for runtime facilities.
<li>
Safe compilation mode: generate code that is guaranteed not to obtain an invalid memory address other than via <code>import "unsafe"</code>.
<li>
Gccgo: garbage collection.
<li>
SWIG support.
<li>
Simpler semicolon rules.
<li>
A more general definition of <code>...</code> in parameter lists.
<li>
Explicit conversions from <code>string</code>
to <code>[]byte</code> and <code>[]int</code>.
<li>
A function that will be run by the garbage collector when an item is freed
(runtime.SetFinalizer).
<li>
Public continuous build and benchmark infrastructure (gobuilder).
<li>
Package manager (goinstall).
<li>
A means of recovering from a panic (recover).
<li>
5g: Better floating point support.
<li>
Improved CGO including some mechanism for calling back from C to Go.
<li>
Faster, allocation-light reflection.
</ul>
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