I try to implement a Python version of the Result<T, E> sum type in rust which can be used with match/case pattern matching. The pattern matching with sub-patterns like case Err(e) could be implemented in Python with the match_args dunder attribute. This is how Result[T, E], OK() and Err() defined: 1import typing 2 …

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I have been trying to run wasm code built with wasm-pack with pythonmonkey, a Mozilla SpiderMonkey JavaScript engine embedded into the Python Runtime. Consider a lib.rs as follow: 1use wasm_bindgen::prelude::*; 2 3#[wasm_bindgen] 4pub fn add(a: i32, b: i32) -> i32 { 5 return a + b; 6} With wasm-pack, we can build the …

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