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| author | chriseth <chris@ethereum.org> | 2018-07-16 20:43:56 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-07-16 20:43:56 +0800 |
| commit | 931794001e92cbfe99c91da037cf36a1808d9df1 (patch) | |
| tree | 0bfb67ef7175f9758cfef0a4ca8e290570903965 /docs/contracts.rst | |
| parent | 58667db8b891a535dfc139144271c1bd8a1e067a (diff) | |
| parent | 396bf118585d213a397be990b5118a47ac4753c1 (diff) | |
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Merge pull request #4500 from ethereum/v050-interface-functions-must-be-external
[BREAKING] interface functions must be external
Diffstat (limited to 'docs/contracts.rst')
| -rw-r--r-- | docs/contracts.rst | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/docs/contracts.rst b/docs/contracts.rst index ea41cb54..033e9a45 100644 --- a/docs/contracts.rst +++ b/docs/contracts.rst @@ -1150,6 +1150,7 @@ Interfaces Interfaces are similar to abstract contracts, but they cannot have any functions implemented. There are further restrictions: - Cannot inherit other contracts or interfaces. +- All declared functions must be external. - Cannot define constructor. - Cannot define variables. - Cannot define structs. @@ -1167,7 +1168,7 @@ Interfaces are denoted by their own keyword: pragma solidity ^0.4.11; interface Token { - function transfer(address recipient, uint amount) public; + function transfer(address recipient, uint amount) external; } Contracts can inherit interfaces as they would inherit other contracts. |