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Version: V3

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:

NameTypeDescription
yuint256The uint256 to be downcasted

Return Values:

NameTypeDescription
zuint160The 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:

NameTypeDescription
yint256The int256 to be downcasted

Return Values:

NameTypeDescription
zint128The 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:

NameTypeDescription
yuint256The uint256 to be casted

Return Values:

NameTypeDescription
zint256The casted integer, now type int256