On 10/01/2013 07:41 AM, Jason E. Aten wrote:
On Tue, Oct 1, 2013 at 6:43 AM, Dan Cristian Octavian
<[email protected] <mailto:[email protected]>> wrote:
One of my first thoughts when I saw the Rust project was to make
it runtimeless. Shortly after that was achieved rather trivially
with zero.rs <http://zero.rs>. I don't know if any major
improvement can be done there.
I'm relatively new to Rust, but making Rust runtimeless is not-yet
done if I understand the situation; and still seems a worth goal.
This is true, and I believe 'runtimeless' is a misnomer. Rust needs some
amount of support at runtime in order to support some features that are
key to the language - allocation, unwinding, logging, task-local data in
particular, but also key methods on strings and vectors, etc. that you
really wouldn't want to live without. The current efforts around zero.rs
let you run without a runtime, but not utilize the full language. The
real goal here is to factor libstd into subsystems that can be
implemented or excluded from the build independently to support
different environments. Just understanding the requirements here is a
major effort, and I imagine that designing std in such a way that it can
run properly on various embedded systems, while not being very difficult
to maintain will take a long time and much iteration.
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