Rust

Reduce indentation by making some function non-members #107

Job	Run time
Format + check + test	3m 12s
Check wasm32 + wasm-bindgen	1m 23s
android	23s
cargo-deny aarch64-apple-darwin	46s
cargo-deny aarch64-linux-android	41s
Check Windows	1m 34s
cargo-deny i686-pc-windows-gnu	58s
cargo-deny i686-pc-windows-msvc	1m 2s
cargo-deny i686-unknown-linux-gnu	42s
cargo-deny wasm32-unknown-unknown	54s
cargo-deny x86_64-apple-darwin	45s
cargo-deny x86_64-pc-windows-gnu	55s
cargo-deny x86_64-pc-windows-msvc	40s
cargo-deny x86_64-unknown-linux-gnu	41s
cargo-deny x86_64-unknown-linux-musl	43s
cargo-deny x86_64-unknown-redox	41s
	16m 0s

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