component-model

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Wit text format comments encoded in the binary Wasm binary

14

This has been discussed. Formally, creating an issue for it. Currently, we lose comments / docs from Wit text formats when compiling to the binary Wasm component file format. This...

calvinrp

Component Model should allow `post-return`s to take no result-specific params

4

In components where the post return function doesn't need to know which values being returned because (e.g. the entire bump allocator is reset) the current requirement that the type of...

esoterra

Fixed length arrays

24

Rust has fixed length arrays whose type is written as `[u8;32]` for a 32-byte array. You can achieve this in the current wit specification by doing `tuple` (with 32 `u8`s)....

LLFourn

Import name projections don't support exports by interface name

13

Currently the [projection rule](https://github.com/WebAssembly/component-model/blob/main/design/mvp/Explainer.md#import-and-export-definitions) for import names looks like: ```ebnf projection ::= '/' label ::= | '-' ``` This prevents projections for exports using the `interfacename` format, as these cannot...

peterhuene

Consider renaming `world` to `component`

17

In Wit, a "world" corresponds to a component. This took me too long to grasp, because "world" is a strange word for it. "World" has a notion of expanse, plurality,...

vwkd

Ungate start functions, and restrict args/returns.

4

Remove the restriction on component start functions calling imports. This allows start functions to run artbitrary user code. And, adjust the 🪙 to include start functions in the MVP, and...

sunfishcode

Change package namespaces and names to be lowercased

1

Currently, in the docs and corresponding tooling, package namespaces and names can include a mix of lowercased and uppercased characters, such as `MY-namespace:some-PACKAGE` is valid. As we are looking at...

calvinrp

Document and define WIT IDs that are referenced elsewhere

2

As a newcomer coming to the Component Model, I was struggling to understand what a ID _meant_ in the context of a WIT file. To help myself and others following...

ggoodman

Consider allowing "associated functions" and "associated methods" on non-resource types

3

For additional details and related information, please refer to https://github.com/bytecodealliance/wit-bindgen/issues/815

Dimchikkk

Rename `float32`/`float64` back to `f32`/`f64`

14

As of preview2, the NaN-canonicalization rules have been relaxed and so in preview 2 the set of semantic values of `float32` is the same the set for core wasm `f32`...

esoterra