component-model

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Add Canonical ABI option for opposite of `post-return`

2

The `post-return` canonopt provides a way for components to clean up allocated result values after the caller has read them. It would also be valuable to provide components a way...

esoterra

Evolving packages over time

3

I have a wit package that I am evolving over time with *some* interfaces changing and others staying the same. I'm running into an issue where a world definition for...

rylev

Question: Linking components with Wasm modules

30

As far as I see, this proposal describes components interacting with each other and the host. How would linking components with a non-component Wasm module look like? Could we use...

skuzmich

Use triple-slash comments for documentation

6

I propose that the Wit format use `///` comments, rather than `//`. Wit itself [no longer has non-documentation comments](https://github.com/WebAssembly/component-model/issues/273), however multiple projects are looking at using Wit as a base...

sunfishcode

Resource constructor result typing

3

Resource types don't currently have the ability to define constructors as having custom result return error types. For this reason, custom static constructors are likely usually preferable for resources since...

guybedford

The concept of a "World" in WIT describes something larger than what a `component` type defined in the Wasm Component Model needs. Thus it's no longer precise to say a...

Mossaka

First-class functions/closures as resources

4

I was wandering, now that resources/ownership/borrowing/etc are properly part of the component model; In what way are closures not "just" single-method resources? Can they piggy back off of the semantics...

badeend

Comments/Questions

1

I finally did an end-to-end read of all (well, most of) the docs in this repo. Since GH doesn't offer a means to comment on committed files, I created a...

rossberg

wit: Reserve doc-comment "annotation" syntax

1

In order to allow for future strict parsing of doc comment annotations, we could reserve a pattern for annotations now (without necessarily defining any valid annotations). One common approach is...

lann

Question: Why is it not possible to refer to exported types in imports?

4

The Component Model does not currently allow you to refer to exported types in imports, which feels asymmetric given that one can easily refer to imported types in exports. This...

dicej