Expand description
The wasm32-wasip2 target is the next evolution of the
wasm32-wasi target. While the wasi specification is still under
active development, the preview 2 iteration is considered an “island
of stability” that should allow users to rely on it indefinitely.
The wasi target is a proposal to define a standardized set of WebAssembly
component imports that allow it to interoperate with the host system in a
standardized way. This set of imports is intended to empower WebAssembly
binaries with host capabilities such as filesystem access, network access, etc.
Wasi Preview 2 relies on the WebAssembly component model which is an extension of the core WebAssembly specification which allows interoperability between WebAssembly modules (known as “components”) through high-level, shared-nothing APIs instead of the low-level, shared-everything linear memory model of the core WebAssembly specification.
You can see more about wasi at https://wasi.dev and the component model at https://github.com/WebAssembly/component-model.
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