Clarify function call options example.

This commit is contained in:
chriseth 2021-08-31 14:32:32 +02:00
parent 13691dfbaa
commit 9033660b22

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@ -105,8 +105,10 @@ otherwise, the ``value`` option would not be available.
.. warning::
Be careful that ``feed.info{value: 10, gas: 800}`` only locally sets the
``value`` and amount of ``gas`` sent with the function call, and the
parentheses at the end perform the actual call. So in this case, the
function is not called and the ``value`` and ``gas`` settings are lost.
parentheses at the end perform the actual call. So
``feed.info{value: 10, gas: 800}`` does not call the function and
the ``value`` and ``gas`` settings are lost, only
``feed.info{value: 10, gas: 800}()`` performs the function call.
Due to the fact that the EVM considers a call to a non-existing contract to
always succeed, Solidity uses the ``extcodesize`` opcode to check that