Rust

Update scroll_area.rs #224

Job	Run time
Format + check + test	5m 17s
android	28s
cargo-deny aarch64-apple-darwin	41s
Check wasm32 + wasm-bindgen	2m 30s
cargo-deny aarch64-linux-android	38s
Check Windows	1m 59s
cargo-deny i686-pc-windows-gnu	37s
cargo-deny i686-pc-windows-msvc	46s
cargo-deny i686-unknown-linux-gnu	43s
cargo-deny wasm32-unknown-unknown	1s
cargo-deny x86_64-apple-darwin	37s
cargo-deny x86_64-pc-windows-gnu	41s
cargo-deny x86_64-pc-windows-msvc	41s
cargo-deny x86_64-unknown-linux-gnu	37s
cargo-deny x86_64-unknown-linux-musl	36s
cargo-deny x86_64-unknown-redox	40s
	17m 32s

Provide feedback