OC中的for循环写法:
?
for (int i = 0;i < 100;i++) { NSLog(@"i=%zd",i); }
?
Swift中的for循环写法:
?
let a = 100; for i in 0 ..< a { print("a=(i)"); }
?
Swift中for循环不需要i的写法:
let
?
a
?
=?
100
;
for
?
_
?
in
?
0
..
<
a
?
{
print
(
"a=(
a
)"
);
}