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Cx
Master Cheater

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Joined: 27 Jul 2007
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Posted: Tue Jan 22, 2008 8:39 pm Post subject:

What's the difference between cin.sync and cin.get. I'm too lazy to look it up, and besides you can probably give a better explanation.

atom0s
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Posted: Tue Jan 22, 2008 8:47 pm Post subject:

Cx wrote:

What's the difference between cin.sync and cin.get.
I'm too lazy to look it up, and besides you can probably give a better explanation.

They aren't really something to be compared, they do two different things.

sync:
http://www.cplusplus.com/reference/iostream/istream/sync.html

Quote:

Synchronizes the buffer associated with the stream to its controlled input sequence. This effectively means that the unread characters in the buffer are discarded.

get:
http://www.cplusplus.com/reference/iostream/istream/get.html

Quote:

Extracts a character from the stream and returns its value (casted to an integer).

ignore:
http://www.cplusplus.com/reference/iostream/istream/ignore.html

Quote:

Extracts characters from the input sequence and discards them.

When you use get(), you are only pulling the first character of the inputted string. Which leaves the rest of the buffer in memory. When you use ignore/sync you are clearing the buffer and keeping it updated and clear freeing the memory before returning.
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