29 Numerics library [numerics]

29.7 Numeric arrays [numarray]

29.7.9 Class template indirect_­array [template.indirect.array]

29.7.9.4 indirect_­array 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.