cerc-io/solidity
16
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge pull request #11866 from ethereum/clarifyExample

Browse Source 
Clarify function call options example.
This commit is contained in:
chriseth 2021-08-31 17:08:25 +02:00 committed by GitHub
commit 208ba61ee6
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
docs/control-structures.rst
View File

@ -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