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| author | chriseth <chris@ethereum.org> | 2018-06-20 03:32:03 +0800 |
|---|---|---|
| committer | Alex Beregszaszi <alex@rtfs.hu> | 2018-08-01 18:04:35 +0800 |
| commit | c8232d9759458d5f6e1442533457d8529686eea7 (patch) | |
| tree | cb1d8f4876b4984213134ad56ff5fb15db867d57 /docs/types.rst | |
| parent | 21888e246b771325ea55da39d7f335638da1a98e (diff) | |
| download | dexon-solidity-c8232d9759458d5f6e1442533457d8529686eea7.tar.gz dexon-solidity-c8232d9759458d5f6e1442533457d8529686eea7.tar.zst dexon-solidity-c8232d9759458d5f6e1442533457d8529686eea7.zip | |
Disallow conversion between unrelated contract types.
Diffstat (limited to 'docs/types.rst')
| -rw-r--r-- | docs/types.rst | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/docs/types.rst b/docs/types.rst index d6767b54..3aad413d 100644 --- a/docs/types.rst +++ b/docs/types.rst @@ -192,6 +192,23 @@ The ``.gas()`` option is available on all three methods, while the ``.value()`` .. note:: The use of ``callcode`` is discouraged and will be removed in the future. +Contract Types +-------------- + +Every :ref:`contract<contracts>` defines its own type. Contracts can be implicitly converted +to contracts they inherit from. They can be explicitly converted from and to ``address`` types. + +The data representation of a contract is identical to that of the ``address`` type and +this type is also used in the :ref:`ABI<ABI>`. + +Contracts do not support any operators. + +The members of contract types are the external functions of the contract including +public state variables. + +.. note:: + Starting with version 0.5.0 contracts do not derive from the address type, but can still be explicitly converted to address. + .. index:: byte array, bytes32 |