语法
remove (mapObj键盘)
例子
从Map中移除键值对
创建一个映射并查看键和数
属性:
myKeys = {'a','b','c','d'};myValues = [1,2,3,4];mapObj = container . map (myKeys,myValues);mapKeys = keys(mapObj) mapCount = mapObj。数
初始映射包含四个键值对:
mapKeys = 'a' 'b' 'c' 'd' mapCount = 4
移除键对应的对b
和d
:
keySet = {'b','d'};remove (mapObj、键盘);mapKeys = keys(mapObj) mapCount = mapObj。数
修改后的映射包含两个键值对:
mapKeys = 'a' 'c' mapCount = 2
这个话题有帮助吗?