I have a function which return INIConfig and error. It's easy to use
config, err := NewINIConfig()
to accept the return values.
But when I special return types for these variables, the compiler return
error.
config Configer, err error := NewINIConfig()
Because Configer is an interface, I want to special the variable type to
it. But it seems the golang don't support this way now? Or any other better
ways to solve this problem? Thank you in advance.
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