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Added a section about .send() returning false

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Denton Liu 2016-05-25 10:10:37 -04:00
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docs/frequently-asked-questions.rst
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@ -846,6 +846,9 @@ If you want to send 20 Ether from a contract to the address ``x``, you use ``x.s
Here, ``x`` can be a plain address or a contract. If the contract already explicitly defines
a function ``send`` (and thus overwrites the special function), you can use ``address(x).send(20 ether);``.
Note that the call to ``send`` may fail in certain conditions, such as if you have insufficient funds, so you should always check the return value.
``send`` returns ``true`` if the send was successful and ``false`` otherwise.
What does the following strange check do in the Custom Token contract?
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