solidity/test/libsolidity/syntaxTests/array/function_mapping_library.sol

pragma abicoder               v2;
library L {
    function f(mapping(uint => uint)[2] memory a) external pure returns (mapping(uint => uint)[2] memory) {}
}
// ----
// TypeError 4061: (61-94): Type mapping(uint256 => uint256)[2] is only valid in storage because it contains a (nested) mapping.
Use new abicoder pragma. 2020-11-23 18:06:44 +00:00			`pragma abicoder v2;`
Tests, Docs and Changelog 2020-06-07 16:00:52 +00:00			`library L {`
			`function f(mapping(uint => uint)[2] memory a) external pure returns (mapping(uint => uint)[2] memory) {}`
			`}`
			`// ----`
			`// TypeError 4061: (61-94): Type mapping(uint256 => uint256)[2] is only valid in storage because it contains a (nested) mapping.`