namespace std {
template <class T> class gslice_array {
public:
using value_type = T;
void operator= (const valarray<T>&) const;
void operator*= (const valarray<T>&) const;
void operator/= (const valarray<T>&) const;
void operator%= (const valarray<T>&) const;
void operator+= (const valarray<T>&) const;
void operator-= (const valarray<T>&) const;
void operator^= (const valarray<T>&) const;
void operator&= (const valarray<T>&) const;
void operator|= (const valarray<T>&) const;
void operator<<=(const valarray<T>&) const;
void operator>>=(const valarray<T>&) const;
gslice_array(const gslice_array&);
~gslice_array();
const gslice_array& operator=(const gslice_array&) const;
void operator=(const T&) const;
gslice_array() = delete; };
}
This template is a helper template used by the slice subscript operator
gslice_array<T> valarray<T>::operator[](const gslice&);
It has reference semantics to a subset of an array specified by a gslice object.
Thus, the expression a[gslice(1, length, stride)] = b has the effect of assigning the elements of b to a generalized slice of the elements in a.
29.7.7.2 gslice_array assignment [gslice.array.assign]void operator=(const valarray<T>&) const; const gslice_array& operator=(const gslice_array&) const;
These assignment operators have reference semantics, assigning the values of the argument array elements to selected elements of the valarray<T> object to which the gslice_array refers.
29.7.7.3 gslice_array compound assignment [gslice.array.comp.assign]void operator*= (const valarray<T>&) const; void operator/= (const valarray<T>&) const; void operator%= (const valarray<T>&) const; void operator+= (const valarray<T>&) const; void operator-= (const valarray<T>&) const; void operator^= (const valarray<T>&) const; void operator&= (const valarray<T>&) const; void operator|= (const valarray<T>&) const; void operator<<=(const valarray<T>&) const; void operator>>=(const valarray<T>&) const;
These compound assignments have reference semantics, applying the indicated operation to the elements of the argument array and selected elements of the valarray<T> object to which the gslice_array object refers.
29.7.7.4 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.
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