[mask.array.fill]

# 29 Numerics library [[numerics]](./#numerics)

## 29.6 Numeric arrays [[numarray]](numarray#mask.array.fill)

### 29.6.8 Class template mask_array [[template.mask.array]](template.mask.array#mask.array.fill)

#### 29.6.8.4 Fill function [mask.array.fill]

[🔗](#lib:operator=,mask_array)

`void operator=(const T&) const;
`

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L8986)

This function has reference semantics, assigning the value of its
argument to the elements of thevalarray<T> object to which themask_array object refers[.](#1.sentence-1)