Rust

fix: fix typo and update function docs #65

Job	Run time
Check cargo fmt	39s
Check License Header	2m 13s
linux build test	3m 38s
build with wasm-pack	3m 11s
cargo test (macos-aarch64)	14m 7s
Verify MSRV (Min Supported Rust Version)	9m 6s
Verify Vendored Code	50s
cargo check functions	1m 41s
cargo test (amd64)	11m 16s
check Cargo.toml formatting	2m 59s
clippy	7m 9s
check configs.md and ***_functions.md is up-to-date	3m 44s
cargo test hash collisions (amd64)	15m 35s
cargo check datafusion	4m 43s
cargo check no default features	7m 54s
cargo doc	4m 35s
cargo test doc (amd64)	18m 10s
cargo examples (amd64)	14m 33s
Run sqllogictest with Postgres runner	4m 24s
cargo test pyarrow (amd64)	2m 46s
verify benchmark results (amd64)	7m 54s
cargo test datafusion-cli (amd64)	4m 39s
	2h 25m 46s

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