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| author | Denton Liu <liu.denton+github@gmail.com> | 2016-05-25 22:10:37 +0800 |
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| committer | Denton Liu <liu.denton+github@gmail.com> | 2016-05-30 21:44:33 +0800 |
| commit | d0a0e4f3d2f70e7957254987261c10807ed963e4 (patch) | |
| tree | e723698a595d6f4f2f07bb0150ea8fef00825dc9 /docs/frequently-asked-questions.rst | |
| parent | 17f23629f1c6bbe1704482ccf75071fdbb3ec17f (diff) | |
| download | dexon-solidity-d0a0e4f3d2f70e7957254987261c10807ed963e4.tar.gz dexon-solidity-d0a0e4f3d2f70e7957254987261c10807ed963e4.tar.zst dexon-solidity-d0a0e4f3d2f70e7957254987261c10807ed963e4.zip | |
Added a section about .send() returning false
Diffstat (limited to 'docs/frequently-asked-questions.rst')
| -rw-r--r-- | docs/frequently-asked-questions.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/docs/frequently-asked-questions.rst b/docs/frequently-asked-questions.rst index 88775e4c..b3667a11 100644 --- a/docs/frequently-asked-questions.rst +++ b/docs/frequently-asked-questions.rst @@ -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? ====================================================================== |