sub collect (&@) { collect( $_[0]->() || return @_[1 .. $#_] ) }
my @results = collect { $sth->fetchrow_hashref };
:^)
Of course, what you really want to do is use one of the fetchall methods - if your result matrices are typically large, the function call overhead for repeated fetchrows is significant.
Update: I can't believe noone called me on my massive stupidity. Anyway, this one will actually work. (Ampersand call form is intended.)
sub collect (&) { ($_[0]->() || return), &collect; }
my @results = collect { $sth->fetchrow_hashref };
Makeshifts last the longest.
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