Returns true if this token is an identifier that requires a leading space before colon.
Returns true if this token is an identifier that requires a leading space before colon.
Example: needsLeadingSpaceBeforeColon(foo_) // true needsLeadingSpaceBeforeColon(foo) // false val foo_ : Int = 2 // OK val foo_: Int = 2 // ERROR val foo: Int = 2 // OK