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Explain that .value() is only available if contract function is marked payable

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Alex Beregszaszi 2017-03-16 11:08:21 +00:00
parent 6ece0d6c2f
commit 17443f458a
1 changed files with 2 additions and 2 deletions
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docs/control-structures.rst
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@ -127,8 +127,8 @@ the gas can be specified with special options ``.value()`` and ``.gas()``, respe
function callFeed() { feed.info.value(10).gas(800)(); }
}
The modifier ``payable`` has to be used for ``info``, because otherwise,
we would not be able to send Ether to it in the call ``feed.info.value(10).gas(800)()``.
The modifier ``payable`` has to be used for ``info``, because otherwise, the `.value()`
option would not be available.
Note that the expression ``InfoFeed(addr)`` performs an explicit type conversion stating
that "we know that the type of the contract at the given address is ``InfoFeed``" and