WIT, or Wasm Interface Types, allows WebAssembly modules to communicate with each other using complex data types. WIT is a language agnostic interface definition language (IDL) that enables composing WebAssembly components, regardless of source language, using language-specific bindings. If you're using a WIT-generated set of language bindings it will feel just like using a regular language SDK. If you're writing your own WIT, then this guide is for you!
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