Francisco Casas 524029a062 tests: Test using single-component swizzles as indexes.
Vectors cannot be used as array indexes, however, single-component
swizzles (such as vec.x) can be used.

This suggests that single-component swizzles should actually be
scalars and not vectors of dimx = 1.

It is worth noting that the use of single-component swizzles on scalars
should still be allowed.
2023-01-26 21:52:16 +01:00
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