> JavaScript is already an old language ... JavaScript is old and crufty. WASM is new and definitely has 64 bit integers: https://developer.mozilla.org/en-US

> JavaScript is already an old language ... JavaScript is old and crufty. WASM is new and definitely has 64 bit integers: https://developer.mozilla.org/en-US/docs/WebAssembly/Understanding_the_text_format#Signatures_and_parameters https://developer.mozilla.org/en-US/docs/WebAssembly/Underst... > I don't see Rust making what you call a mistake ... The details are subtle, but you can find discussion about it elsewhere in this thread. > 64 bit integers and pointers have a trade-off we need to consider: they need more memory. [...] embedded systems perhaps running on a tiny battery I'll pay you a dollar for every 16 or 32 bit system that WASM will run on if you pay me a penny for every 64 bit one.