let arr = [[1,2], [3,4], [5,6]]
for1: for items in arr {
for2: for item in items {
print(item)
if item == 3 {
break for1
}
}
}
let arr = [[1,2], [3,4], [5,6]]
for1: for items in arr {
for2: for item in items {
print(item)
if item == 3 {
break for1
}
}
}
本文标题:Swift退出多层循环
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