26 Numerics library [numerics]

26.6 Numeric arrays [numarray]

26.6.7 Class template gslice_array [template.gslice.array]

26.6.7.4 gslice_array fill function [gslice.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 gslice_array object refers.