Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Constructs a field from
a field_view.
field(
const field_view& v);
The resulting field has
the same kind and value as the original field_view.
Strong guarantee. Internal allocations may throw.
The resulting field is
guaranteed to be valid even after v
becomes invalid.