Apply is/has naming convention for flags and methods #2622

Job	Run time
formatting	38s
cargo clippy (windows-latest)	4m 20s
cargo clippy (macos-latest)	2m 31s
Prime LFS Cache	7s
cargo clippy (ubuntu-latest)	4m 10s
cargo clippy (wasm32)	1m 53s
cargo test (wasm32)	20s
cargo check (msrv) (windows-latest)	1m 22s
cargo check (msrv) (wasm32)	17s
cargo check (msrv) (macos-latest)	39s
cargo check (aarch64-android)	21s
cargo check (msrv) (ubuntu-latest)	35s
cargo doc	1m 52s
typos	7s
cargo test (windows-latest)	2m 51s
cargo test (macos-latest)	1m 47s
cargo test (ubuntu-latest)	3m 25s
	27m 15s

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