A Tour of C++, 2nd Edition

6

Templates

Your quote here.

– B. Stroustrup

• Introduction

• Parameterized Types

  Constrained Template Arguments; Value Template Arguments; Template Argument Deduction

• Parameterized Operations

  Function Templates; Function Objects; Lambda Expressions

• Template Mechanisms

  Variable Templates; Aliases; Compile-Time if

• Advice

6.1 Introduction

Someone who wants a vector is unlikely always to want a vector of doubles. A vector is a general concept, independent of the notion of a floating-point number. Consequently, the element type of a vector ought to be represented independently. A template is a class or a function that we parameterize with a set of types or values. We use templates to represent ideas that are best understood as something general from ...