Rust

Simplify another function signature #6

Job	Run time
android	30s
Format + check + test	4m 46s
Check wasm32 + wasm-bindgen	4m 44s
cargo-deny aarch64-apple-darwin	59s
cargo-deny aarch64-linux-android	59s
Check Windows	2m 10s
cargo-deny i686-pc-windows-gnu	59s
cargo-deny i686-pc-windows-msvc	53s
cargo-deny i686-unknown-linux-gnu	51s
cargo-deny wasm32-unknown-unknown	50s
cargo-deny x86_64-apple-darwin	49s
cargo-deny x86_64-pc-windows-gnu	57s
cargo-deny x86_64-pc-windows-msvc	40s
cargo-deny x86_64-unknown-linux-gnu	1m 0s
cargo-deny x86_64-unknown-linux-musl	57s
cargo-deny x86_64-unknown-redox	54s
	22m 58s

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