macros: Cleaner macros #1839

Job	Run time
clippy	2m 13s
docs	3m 41s
nightly	5m 7s
msrv	1m 38s
rustfmt	15s
basics	1s
test_miri (rune)	3m 30s
no_std (ubuntu-latest, minimal)	1m 19s
test_miri (rune-core)	57s
test_doc	6m 36s
no_std (macos-latest, minimal)	1m 52s
test_miri (rune-alloc)	5m 55s
build_feature (alloc)	3m 26s
build_feature (cli)	4m 7s
test_lib	4m 27s
test_rune	3m 2s
build_feature (cli,doc)	4m 6s
wasm	1m 22s
build_feature (cli,fmt)	4m 10s
build_feature (doc)	3m 51s
build_feature (workspace)	3m 32s
build_feature (languageserver)	3m 59s
build_feature (byte-code)	3m 17s
build_feature (capture-io)	3m 34s
build_feature (emit)	3m 32s
	1h 19m 29s

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