24 Numerics library [numerics]

24.8 Numeric arrays [numarray]

24.8.9 Class template indirect_­array [template.indirect.array]

24.8.9.4 Fill function [indirect.array.fill]

void operator=(const T&) const;
This function has reference semantics, assigning the value of its argument to the elements of the valarray<T> object to which the indirect_­array object refers.