Explicit Type Conversion and Multiple Simple Type Specifiers

Question

To value initialize an object of type T, one would do something along the lines of one of the following:

T x = T();
T x((T()));

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Answer 1

7.1.5.2:

The simple-type-specifiers specify either a previously-declared user-defined type or one of the fundamental types`

This implies that unsigned int i = unsigned int() is legal, since unsigned int is a fundamental type (and thus a simple-type-specifier, see 3.9.1).

same applies for types like:

long double
long long
long long int
unsigned long
unsigned long long int
short int
...