check

adapt iter API for set #4713

Job	Run time
coverage-check	14s
license-header-check	6s
bleeding-check (macos-latest)	1m 21s
build (ubuntu-latest)	1m 59s
bleeding-check (ubuntu-latest)	2m 1s
nightly-check (ubuntu-latest)	2m 3s
build (macos-latest)	1m 32s
typo-check	2s
nightly-check (macos-latest)	1m 16s
build (macos-13)	2m 4s
nightly-check (macos-13)	3m 59s
build (windows-latest)	1m 15s
nightly-check (windows-latest)	1m 10s
moon-json-format-check	3s
	19m 5s

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