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symbolType1.ts(1,1): error TS2358: The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter.
symbolType1.ts(2,19): error TS2359: The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type.
symbolType1.ts(4,19): error TS2359: The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type.
==== symbolType1.ts (3 errors) ====
Symbol() instanceof Symbol;
~~~~~~~~
!!! error TS2358: The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter.
Symbol instanceof Symbol();
~~~~~~~~
!!! error TS2359: The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type.
(Symbol() || {}) instanceof Object; // This one should be okay, it's a valid way of distinguishing types
Symbol instanceof (Symbol() || {});
~~~~~~~~~~~~~~~~
!!! error TS2359: The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type.
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