Rust

make `wasm32` compatible #35

Job	Run time
test (1.73.0)	1m 47s
test (stable)	1m 33s
build (i686-unknown-linux-gnu, ubuntu-latest, stable, sudo apt update && sudo apt install gcc-mul...	1m 13s
wasm_builds (1.73.0, wasm32-wasi)	42s
build (x86_64-apple-darwin, macos-latest, stable)	58s
wasm_builds (1.73.0, wasm32-unknown-unknown)	46s
build (x86_64-pc-windows-msvc, windows-latest, stable)	2m 26s
wasm_builds (stable, wasm32-wasi)	39s
wasm_builds (stable, wasm32-unknown-unknown)	49s
	10m 53s

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