Boost C++ Libraries of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for a snapshot of the develop branch, built from commit 7d5bf55d49.

Constructing and Interconverting Between Number Types

All of the number types that are based on number have certain conversion rules in common. In particular:

Additional conversions may be supported by particular backends.

More information on what additional types a backend supports conversions from are given in the tutorial for each backend. The converting constructor will be implicit if the backend's converting constructor is also implicit, and explicit if the backends converting constructor is also explicit.