Foundry 中文

sig

Signature

function sig(StdStorage storage self, bytes4 _sig) internal returns (StdStorage storage);

function sig(StdStorage storage self, string memory _sig) internal returns (StdStorage storage);

Description

Sets the 4-byte selector of the function to static call.

Default value: hex"00000000"

Examples

uint256 slot = stdstore
    .target(addr)
    .sig(addr.fun.selector)
    .with_key(1)
    .find();

uint256 slot = stdstore
    .target(addr)
    .sig("fun(uint256)")
    .with_key(1)
    .find();