SafeCast

Contains methods for safely casting between types

Functions​

toUint160​

  function toUint160(
    uint256 y
  ) internal pure returns (uint160 z)

Cast a uint256 to a uint160, revert on overflow

Parameters:​

Name	Type	Description
y	uint256	The uint256 to be downcasted

Return Values:​

Name	Type	Description
z	uint160	The downcasted integer, now type uint160

toInt128​

  function toInt128(
    int256 y
  ) internal pure returns (int128 z)

Cast a int256 to a int128, revert on overflow or underflow

Parameters:​

Name	Type	Description
y	int256	The int256 to be downcasted

Return Values:​

Name	Type	Description
z	int128	The downcasted integer, now type int128

toInt256​

  function toInt256(
    uint256 y
  ) internal pure returns (int256 z)

Cast a uint256 to a int256, revert on overflow

Parameters:​

Name	Type	Description
y	uint256	The uint256 to be casted

Return Values:​

Name	Type	Description
z	int256	The casted integer, now type int256