[range.transform.overview]

# 25 Ranges library [[ranges]](./#ranges)

## 25.7 Range adaptors [[range.adaptors]](range.adaptors#range.transform.overview)

### 25.7.9 Transform view [[range.transform]](range.transform#overview)

#### 25.7.9.1 Overview [range.transform.overview]

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/ranges.tex#L5177)

transform_view presents
a view of an underlying sequence after
applying a transformation function to each element[.](#1.sentence-1)

[2](#2)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/ranges.tex#L5182)

The name views​::​transform denotes a
range adaptor object ([[range.adaptor.object]](range.adaptor.object "25.7.2 Range adaptor objects"))[.](#2.sentence-1)

Given subexpressions E and F, the expressionviews​::​transform(E, F) is expression-equivalent totransform_view(E, F)[.](#2.sentence-2)

[3](#3)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/ranges.tex#L5190)

[*Example [1](#example-1)*: vector<int> is{ 0, 1, 2, 3, 4 };auto squares = views::transform(is, [](int i) { return i * i; });for (int i : squares) cout << i << ' '; // prints 0 1 4 9 16 — *end example*]