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| -rw-r--r-- | docs/contracts.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/docs/contracts.rst b/docs/contracts.rst index afc32b16..368b7819 100644 --- a/docs/contracts.rst +++ b/docs/contracts.rst @@ -1053,6 +1053,17 @@ but they can be used as base contracts:: If a contract inherits from an abstract contract and does not implement all non-implemented functions by overriding, it will itself be abstract. +Note that a function without implementation is different from a :ref:`Function Type <function_types>` even though their syntax looks very similar. + +Example of function without implementation (a function declaration):: + + function foo(address) external returns (address); + +Example of a Function Type (a variable declaration, where the variable is of type ``function``):: + + function(address) external returns (address) foo; + + .. index:: ! contract;interface, ! interface contract ********** |