Minor fixes for 'keyof T' and indexed acces types #12389
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Treat keyof T as string | number for purposes of indexing Allow indexed access types with for-in and in operator
mhegazy
approved these changes
Nov 20, 2016
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This PR implements the following minor changes:
keyof Tcomparable to typestringand typenumber.keyof Tasstring | numberwhen it is used to index a non-generic type.for-instatement orinoperator to be of an indexed access type.