package yokohama.unit.position;

import lombok.EqualsAndHashCode;
import lombok.Value;

@Value
@EqualsAndHashCode(exclude={"span"})
public class ErrorMessage {
    private String message;
    private Span span;
}

@@ -213,12 +213,107 @@
 n span;%0D
+%0A%0D%0A    @Override%0D%0A    public String toString() %7B%0D%0A        return span + %22: %22 + message;%0D%0A    %7D%0D
 %0A%7D%0D%0A

Implement ErrorMessage.toString method