SpaceAroundEqualsInParameterDefault doesn't work properly with empty string

[bbatsov]

This piece of code will not register an offence:

def some_method(param='')

The problem is that '' has no positions associated with it in the resulting sexp.

[[[:@ident, "param", [1, 9]], [:string_literal, [:string_content]]]]

@jonas054, would you please take care of this?

[bbatsov]

Upon further examination - the existing code does not work with [] and {} as well. It might be better to use tokens for this check instead of sexps.

[jonas054]

Thanks for the tip! I'll take a look.

[jonas054]

Can this issue be closed now?