N3819: Concepts Lite Specification -- Andrew Sutton

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Document number: N3819

Date: 2013-10-11

Concepts Lite Specification

by Andrew Sutton

Excerpt:

C++ has long provided language support for generic programming in the form of templates. However, these templates are unconstrained, allowing any type or value to be substituted for a template argument, often resulting in compiler errors. What is lacking is a specification of an interface for a template, separate from its implementation, so that a use of a template can be selected among alternative templates and checked in isolation.

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