Rust

Use String::len and str::len directly #422

Job	Run time
build with wasm-pack	3m 14s
build with wasm-pack	3m 14s
Check cargo fmt	42s
Check cargo fmt	42s
cargo check	13m 37s
cargo check	13m 37s
Check License Header	2m 15s
Check License Header	2m 15s
cargo test (macos)	15m 25s
cargo test (macos)	15m 25s
cargo test (macos-aarch64)	20m 36s
cargo test (macos-aarch64)	20m 36s
Verify MSRV (Min Supported Rust Version)	6m 27s
Verify MSRV (Min Supported Rust Version)	6m 18s
Verify Vendored Code	50s
Verify Vendored Code	50s
cargo test (win64)	29m 54s
cargo test (win64)	1h 13m 36s
cargo test datafusion-cli (amd64)	4m 34s
cargo test datafusion-cli (amd64)	4m 34s
clippy	7m 13s
clippy	7m 13s
cargo test (amd64)	12m 10s
cargo test (amd64)	12m 10s
cargo test doc (amd64)	16m 7s
cargo test doc (amd64)	17m 37s
cargo examples (amd64)	15m 5s
cargo examples (amd64)	15m 5s
cargo doc	4m 49s
cargo doc	4m 49s
Run sqllogictest with Postgres runner	4m 8s
Run sqllogictest with Postgres runner	4m 8s
cargo test pyarrow (amd64)	2m 59s
cargo test pyarrow (amd64)	2m 59s
verify benchmark results (amd64)	14m 51s
verify benchmark results (amd64)	14m 51s
check Cargo.toml formatting	3m 1s
check Cargo.toml formatting	3m 1s
check configs.md and ***_functions.md is up-to-date	3m 45s
check configs.md and ***_functions.md is up-to-date	3m 45s
cargo test hash collisions (amd64)	16m 6s
cargo test hash collisions (amd64)	28m 3s
	7h 32m 36s

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