grep { ;no strict 'refs'; } qw(x); #### perl -MO=Deparse use strict; use warnings; grep { ;no strict 'refs'; } qw(x); ^D use warnings; use strict 'refs'; grep {();} 'x'; - syntax OK #### grep { do{ no strict 'refs'; } } qw(x)
## perl -MO=Deparse use strict; use warnings; grep { ;no strict 'refs'; } qw(x); ^D use warnings; use strict 'refs'; grep {();} 'x'; - syntax OK ##
## grep { do{ no strict 'refs'; } } qw(x)