check.wf

abjad.tools.check.wf(expr, delivery='boolean', runtime='composition')

Run every check in the check module against expr.

Set the runtime keyword to composition to run only those checks appropriate at composition-time. Abjad allows empty containers at composition-time. Empty container checks will NOT run.

abjad> check.wf(Voice([ ]), runtime = 'composition')
True

Set the runtime keyword to format to run the complete set of checks appropriate at format-time. LilyPond does NOT allow empty containers at format-time. Empty container check WILL run.

abjad> check.wf(Voice([ ]), runtime = 'format')
False

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