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Merge pull request #4074 from elopio/docs/implicit-constructor

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docs: document the implicit call of base constructor without arguments
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chriseth 2018-05-09 11:08:34 +02:00 committed by GitHub
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@ -1030,8 +1030,9 @@ A constructor set as ``internal`` causes the contract to be marked as :ref:`abst
Arguments for Base Constructors
===============================
Derived contracts need to provide all arguments needed for
the base constructors. This can be done in two ways::
The constructors of all the base contracts will be called following the
linearization rules explained below. If the base constructors have arguments,
derived contracts need to specify all of them. This can be done in two ways::
pragma solidity ^0.4.22;
@ -1059,6 +1060,9 @@ derived contract. Arguments have to be given either in the
inheritance list or in modifier-style in the derived constuctor.
Specifying arguments in both places is an error.
If a derived contract doesn't specify the arguments to all of its base
contracts' constructors, it will be abstract.
.. index:: ! inheritance;multiple, ! linearization, ! C3 linearization
Multiple Inheritance and Linearization