I'm searching for a solution to retrieve multiple arrays of varying sizes from a webAssembly function call. Initially, I considered using a struct with multiple arrays and returning it, but I couldn't find any information on how to receive that struct in JavaScript. Unsure if that's even possible, what other options or alternatives do I have?
WebAssembly does not inherently support dynamic arrays due to its type system limitations. This programming language only supports basic types such as i32, i64, f32, and more.
Some other languages that can compile to WebAssembly and have arrays often use a basic type (like i32 or i64) to indicate the starting byte offset of the array. However, this is just one way to implement it.
While you can technically return an array of basic types using multi-value returns (a proposal now integrated into the current specification), this is the extent of what WebAssembly allows.
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