[Dune] [#454] cast from GenericIterator to const GenericIterator broken
dune at dune-project.org
Fri Nov 7 16:32:48 CET 2008
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FS#454 - cast from GenericIterator to const GenericIterator broken
User who did this - Martin Nolte (nolte)
The C++ Standard (§8.3.2) specifies:
In a declaration T D where D has the form
and the type of the identifier in the declaration T D1 is "derived-declarator-type-list T", then the type of the identifier of D is "derived-declarator-type-list reference to T". Cv-qualified references are ill-formed except when cv-qualifiers are introduced through the use of a typedef (7.1.3) or of a template type argument (14.3), in which case the cv-qualifiers are ignored. [Example: in
typedef int& A;
const A aref = 3; // ill-formed
// non-const reference initialized with rvalue
type type of aref is "reference to int", not "const reference to int".] [Note: a reference can be thought of as a name of an object.] A declarator that specifies the type "reference to cv void" is ill-formed.
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