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SafeCast
Author:
Trader Joe
This library contains functions to safely cast uint256 to different uint types.
Functions
safe248
Returns x on uint248 and check that it does not overflow
solidity
function safe248(uint256 x) internal pure returns (uint248 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint248 | The value as an uint248 |
safe240
Returns x on uint240 and check that it does not overflow
solidity
function safe240(uint256 x) internal pure returns (uint240 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint240 | The value as an uint240 |
safe232
Returns x on uint232 and check that it does not overflow
solidity
function safe232(uint256 x) internal pure returns (uint232 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint232 | The value as an uint232 |
safe224
Returns x on uint224 and check that it does not overflow
solidity
function safe224(uint256 x) internal pure returns (uint224 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint224 | The value as an uint224 |
safe216
Returns x on uint216 and check that it does not overflow
solidity
function safe216(uint256 x) internal pure returns (uint216 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint216 | The value as an uint216 |
safe208
Returns x on uint208 and check that it does not overflow
solidity
function safe208(uint256 x) internal pure returns (uint208 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint208 | The value as an uint208 |
safe200
Returns x on uint200 and check that it does not overflow
solidity
function safe200(uint256 x) internal pure returns (uint200 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint200 | The value as an uint200 |
safe192
Returns x on uint192 and check that it does not overflow
solidity
function safe192(uint256 x) internal pure returns (uint192 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint192 | The value as an uint192 |
safe184
Returns x on uint184 and check that it does not overflow
solidity
function safe184(uint256 x) internal pure returns (uint184 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint184 | The value as an uint184 |
safe176
Returns x on uint176 and check that it does not overflow
solidity
function safe176(uint256 x) internal pure returns (uint176 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint176 | The value as an uint176 |
safe168
Returns x on uint168 and check that it does not overflow
solidity
function safe168(uint256 x) internal pure returns (uint168 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint168 | The value as an uint168 |
safe160
Returns x on uint160 and check that it does not overflow
solidity
function safe160(uint256 x) internal pure returns (uint160 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint160 | The value as an uint160 |
safe152
Returns x on uint152 and check that it does not overflow
solidity
function safe152(uint256 x) internal pure returns (uint152 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint152 | The value as an uint152 |
safe144
Returns x on uint144 and check that it does not overflow
solidity
function safe144(uint256 x) internal pure returns (uint144 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint144 | The value as an uint144 |
safe136
Returns x on uint136 and check that it does not overflow
solidity
function safe136(uint256 x) internal pure returns (uint136 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint136 | The value as an uint136 |
safe128
Returns x on uint128 and check that it does not overflow
solidity
function safe128(uint256 x) internal pure returns (uint128 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint128 | The value as an uint128 |
safe120
Returns x on uint120 and check that it does not overflow
solidity
function safe120(uint256 x) internal pure returns (uint120 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint120 | The value as an uint120 |
safe112
Returns x on uint112 and check that it does not overflow
solidity
function safe112(uint256 x) internal pure returns (uint112 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint112 | The value as an uint112 |
safe104
Returns x on uint104 and check that it does not overflow
solidity
function safe104(uint256 x) internal pure returns (uint104 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint104 | The value as an uint104 |
safe96
Returns x on uint96 and check that it does not overflow
solidity
function safe96(uint256 x) internal pure returns (uint96 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint96 | The value as an uint96 |
safe88
Returns x on uint88 and check that it does not overflow
solidity
function safe88(uint256 x) internal pure returns (uint88 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint88 | The value as an uint88 |
safe80
Returns x on uint80 and check that it does not overflow
solidity
function safe80(uint256 x) internal pure returns (uint80 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint80 | The value as an uint80 |
safe72
Returns x on uint72 and check that it does not overflow
solidity
function safe72(uint256 x) internal pure returns (uint72 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint72 | The value as an uint72 |
safe64
Returns x on uint64 and check that it does not overflow
solidity
function safe64(uint256 x) internal pure returns (uint64 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint64 | The value as an uint64 |
safe56
Returns x on uint56 and check that it does not overflow
solidity
function safe56(uint256 x) internal pure returns (uint56 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint56 | The value as an uint56 |
safe48
Returns x on uint48 and check that it does not overflow
solidity
function safe48(uint256 x) internal pure returns (uint48 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint48 | The value as an uint48 |
safe40
Returns x on uint40 and check that it does not overflow
solidity
function safe40(uint256 x) internal pure returns (uint40 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint40 | The value as an uint40 |
safe32
Returns x on uint32 and check that it does not overflow
solidity
function safe32(uint256 x) internal pure returns (uint32 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint32 | The value as an uint32 |
safe24
Returns x on uint24 and check that it does not overflow
solidity
function safe24(uint256 x) internal pure returns (uint24 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint24 | The value as an uint24 |
safe16
Returns x on uint16 and check that it does not overflow
solidity
function safe16(uint256 x) internal pure returns (uint16 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint16 | The value as an uint16 |
safe8
Returns x on uint8 and check that it does not overflow
solidity
function safe8(uint256 x) internal pure returns (uint8 y);Parameters
| Name | Type | Description |
|---|---|---|
x | uint256 | The value as an uint256 |
Returns
| Name | Type | Description |
|---|---|---|
y | uint8 | The value as an uint8 |
Errors
SafeCast__Exceeds248Bits
solidity
error SafeCast__Exceeds248Bits();SafeCast__Exceeds240Bits
solidity
error SafeCast__Exceeds240Bits();SafeCast__Exceeds232Bits
solidity
error SafeCast__Exceeds232Bits();SafeCast__Exceeds224Bits
solidity
error SafeCast__Exceeds224Bits();SafeCast__Exceeds216Bits
solidity
error SafeCast__Exceeds216Bits();SafeCast__Exceeds208Bits
solidity
error SafeCast__Exceeds208Bits();SafeCast__Exceeds200Bits
solidity
error SafeCast__Exceeds200Bits();SafeCast__Exceeds192Bits
solidity
error SafeCast__Exceeds192Bits();SafeCast__Exceeds184Bits
solidity
error SafeCast__Exceeds184Bits();SafeCast__Exceeds176Bits
solidity
error SafeCast__Exceeds176Bits();SafeCast__Exceeds168Bits
solidity
error SafeCast__Exceeds168Bits();SafeCast__Exceeds160Bits
solidity
error SafeCast__Exceeds160Bits();SafeCast__Exceeds152Bits
solidity
error SafeCast__Exceeds152Bits();SafeCast__Exceeds144Bits
solidity
error SafeCast__Exceeds144Bits();SafeCast__Exceeds136Bits
solidity
error SafeCast__Exceeds136Bits();SafeCast__Exceeds128Bits
solidity
error SafeCast__Exceeds128Bits();SafeCast__Exceeds120Bits
solidity
error SafeCast__Exceeds120Bits();SafeCast__Exceeds112Bits
solidity
error SafeCast__Exceeds112Bits();SafeCast__Exceeds104Bits
solidity
error SafeCast__Exceeds104Bits();SafeCast__Exceeds96Bits
solidity
error SafeCast__Exceeds96Bits();SafeCast__Exceeds88Bits
solidity
error SafeCast__Exceeds88Bits();SafeCast__Exceeds80Bits
solidity
error SafeCast__Exceeds80Bits();SafeCast__Exceeds72Bits
solidity
error SafeCast__Exceeds72Bits();SafeCast__Exceeds64Bits
solidity
error SafeCast__Exceeds64Bits();SafeCast__Exceeds56Bits
solidity
error SafeCast__Exceeds56Bits();SafeCast__Exceeds48Bits
solidity
error SafeCast__Exceeds48Bits();SafeCast__Exceeds40Bits
solidity
error SafeCast__Exceeds40Bits();SafeCast__Exceeds32Bits
solidity
error SafeCast__Exceeds32Bits();SafeCast__Exceeds24Bits
solidity
error SafeCast__Exceeds24Bits();SafeCast__Exceeds16Bits
solidity
error SafeCast__Exceeds16Bits();SafeCast__Exceeds8Bits
solidity
error SafeCast__Exceeds8Bits();