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I believe it allows you to iterate through each char in s. The & is used so that your code actually modifies s instead of operating on a copy of s.
s
&
http://stackoverflow.com/a/15927037/5679756
Caesar Cipher
You are viewing a single comment's thread. Return to all comments →
I believe it allows you to iterate through each char in
s
. The&
is used so that your code actually modifiess
instead of operating on a copy ofs
.http://stackoverflow.com/a/15927037/5679756