如何从以下数组哈希中删除元素:
我尝试使用 Hash = (); 但是删除元素后会导致
%HoA = (
flintstones => [ {day=>'19'}, {day=>'21'}, {day=>'22'} ],
jetsons => [ {day=>'29'}, {day=>'23'}, {day=>'25'} ],
simpsons => [ {day=>'26'}, {day=>'33'}, {day=>'27'} ]
);
如何从flintstones
中删除例如{day=>'21'}
,并使结果看起来像:
%HoA = (
flintstones => [ {day=>'19'}, {day=>'22'} ],
jetsons => [ {day=>'29'}, {day=>'23'}, {day=>'25'} ],
simpsons => [ {day=>'26'}, {day=>'33'}, {day=>'27'} ]
);
我尝试使用 Hash = (); 但是删除元素后会导致
undef
。