Rust

Add option to specify persistence path #56

Job	Run time
Format + check + test	3m 33s
cargo-deny aarch64-apple-darwin	40s
Check wasm32 + wasm-bindgen	33s
android	1m 15s
cargo-deny aarch64-linux-android	44s
Check Windows	3m 45s
cargo-deny i686-pc-windows-gnu	40s
cargo-deny i686-pc-windows-msvc	44s
cargo-deny i686-unknown-linux-gnu	41s
cargo-deny wasm32-unknown-unknown	43s
cargo-deny x86_64-apple-darwin	37s
cargo-deny x86_64-pc-windows-gnu	39s
cargo-deny x86_64-pc-windows-msvc	44s
cargo-deny x86_64-unknown-linux-gnu	40s
cargo-deny x86_64-unknown-linux-musl	43s
cargo-deny x86_64-unknown-redox	40s
	17m 21s

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