['my sub foo', 'lexical subroutines (also state, our)'],
['next $expression', 'loop controls allow runtime expressions'],
["no warnings 'experimental::…'", 'mechanism for experimental features, as of now required for smartmatch'],
['my sub foo', 'lexical subroutines (also state, our)'],
['next $expression', 'loop controls allow runtime expressions'],
["no warnings 'experimental::…'", 'mechanism for experimental features, as of now required for smartmatch'],