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| author | chriseth <chris@ethereum.org> | 2018-05-09 17:08:34 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-05-09 17:08:34 +0800 |
| commit | 1e95335589872920b5f13b67731a8eb265f1aef6 (patch) | |
| tree | 88e85e0842821158e839502cb234d15b695345a8 | |
| parent | aeb6a33957051d07add36cfd4d7fd58655bd6426 (diff) | |
| parent | 114a0cf9539c9446461431834010cfde36fb8ac5 (diff) | |
| download | dexon-solidity-1e95335589872920b5f13b67731a8eb265f1aef6.tar.gz dexon-solidity-1e95335589872920b5f13b67731a8eb265f1aef6.tar.zst dexon-solidity-1e95335589872920b5f13b67731a8eb265f1aef6.zip | |
Merge pull request #4074 from elopio/docs/implicit-constructor
docs: document the implicit call of base constructor without arguments
| -rw-r--r-- | docs/contracts.rst | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/docs/contracts.rst b/docs/contracts.rst index 9d47b543..3576cd7b 100644 --- a/docs/contracts.rst +++ b/docs/contracts.rst @@ -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 |