A Tour of C++, 2nd Edition

13

Utilities

The time you enjoy wasting is not wasted time.

– Bertrand Russell

• Introduction

• Resource Management

  unique_ptr and shared_ptr; move() and forward()

• Range Checking: span

• Specialized Containers

  array; bitset; pair and tuple

• Alternatives

  variant; optional; any

• Time

• Function Adaption

  Lambdas as Adaptors; mem_fn(); function

• Allocators

• Type Functions

  iterator_traits; Type Predicates; enable_if

• Advice

13.1 Introduction

Not all standard-library components come as part of obviously labeled facilities, such as “containers” or “I/O.” This section gives a few examples of small, widely useful components. Such components (classes and templates) are often called vocabulary types because they are part of the common vocabulary we use to describe ...