Rust

Refactor duplicate code in `type_coercion/functions.rs` #55381

Job	Run time
linux build test	3m 13s
Verify MSRV (Min Supported Rust Version)	4m 47s
build and run with wasm-pack	4m 49s
Verify Vendored Code	1m 23s
cargo test (macos-aarch64)	21m 34s
Check cargo fmt	1m 25s
cargo check datafusion features	10m 28s
cargo test (amd64)	9m 40s
cargo test datafusion-cli (amd64)	5m 21s
cargo doc	4m 43s
cargo check datafusion-common features	1m 55s
cargo check datafusion-proto features	4m 26s
cargo check datafusion-functions features	2m 38s
cargo check datafusion-substrait features	9m 57s
check example README is up-to-date	57s
clippy	4m 36s
Run sqllogictest in Substrait round-trip mode	7m 50s
cargo test doc (amd64)	8m 55s
verify benchmark results (amd64)	11m 19s
check configs.md and ***_functions.md is up-to-date	5m 25s
cargo examples (amd64)	9m 50s
check Cargo.toml formatting	3m 50s
Run sqllogictest with Postgres runner	6m 44s
	2h 25m 45s

Provide feedback