Rust

Minor: Add doc example to RecordBatchStreamAdapter #4144

Job	Run time
cargo check	13m 42s
Check License Header	2m 13s
cargo test (win64)	1h 20m 59s
Check cargo fmt	37s
build with wasm-pack	3m 16s
cargo test (macos)	12m 32s
Verify MSRV (Min Supported Rust Version)	9m 27s
cargo test (macos-aarch64)	19m 21s
Verify Vendored Code	54s
cargo examples (amd64)	14m 36s
cargo test datafusion-cli (amd64)	4m 46s
check Cargo.toml formatting	3m 5s
clippy	7m 21s
check configs.md and ***_functions.md is up-to-date	3m 44s
cargo doc	4m 26s
cargo test hash collisions (amd64)	28m 9s
cargo test doc (amd64)	17m 54s
cargo test (amd64)	12m 35s
Run sqllogictest with Postgres runner	4m 4s
cargo test pyarrow (amd64)	3m 21s
verify benchmark results (amd64)	15m 0s
	4h 22m 2s

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