error_Error
Used as base for error handling.
obj error_Error {
message: str
stack: str
}
message - Message of the error.
stack - Stack trace of the error.
error_Error.str()
Returns a string representation.
fn error_Error.str () str
error_NewError()
Constructs Error object with specified message and returns it.
fn error_NewError (message: str) Error
message - Message of the error.