test/libsolidity/syntaxTests/types/mapping/mapping_data_location_function_param_external.sol


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contract c {
    function f1(mapping(uint => uint) calldata) pure external returns (mapping(uint => uint) memory) {}
}
// ----
// TypeError: (29-59): Type is required to live outside storage.
// TypeError: (29-59): Internal or recursive type is not allowed for public or external functions.