diff options
-rw-r--r-- | docs/types.rst | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/docs/types.rst b/docs/types.rst index c216fd83..78451b39 100644 --- a/docs/types.rst +++ b/docs/types.rst @@ -368,6 +368,10 @@ Enums are one way to create a user-defined type in Solidity. They are explicitly to and from all integer types but implicit conversion is not allowed. The explicit conversions check the value ranges at runtime and a failure causes an exception. Enums needs at least one member. +The data representation is the same as for enums in C: The options are represented by +subsequent unsigned integer values starting from ``0``. + + :: pragma solidity ^0.4.16; @@ -384,7 +388,7 @@ check the value ranges at runtime and a failure causes an exception. Enums need // Since enum types are not part of the ABI, the signature of "getChoice" // will automatically be changed to "getChoice() returns (uint8)" // for all matters external to Solidity. The integer type used is just - // large enough to hold all enum values, i.e. if you have more values, + // large enough to hold all enum values, i.e. if you have more than 256 values, // `uint16` will be used and so on. function getChoice() public view returns (ActionChoices) { return choice; |