solidity/test/libsolidity/syntaxTests/structs/calldata_assign.sol

pragma experimental ABIEncoderV2;
contract Test {
    struct S { int a; }
    function f(S calldata s) external { s.a = 4; }
}
// ----
// Warning: (0-33): Experimental features are turned on. Do not use experimental features on live deployments.
// TypeError: (114-117): Calldata structs are read-only.
ABIEncoderV2: Implement calldata structs without dynamically encoded members. 2019-02-05 19:29:57 +00:00			`pragma experimental ABIEncoderV2;`
			`contract Test {`
			`struct S { int a; }`
			`function f(S calldata s) external { s.a = 4; }`
			`}`
			`// ----`
			`// Warning: (0-33): Experimental features are turned on. Do not use experimental features on live deployments.`
Better error messages when writing to expressions that cannot be written to. 2019-08-12 15:06:10 +00:00			`// TypeError: (114-117): Calldata structs are read-only.`