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Section: 22.3 [pairs] Status: Resolved Submitter: DIN Opened: 2010-08-25 Last modified: 2016-01-28
Priority: Not Prioritized
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Discussion:
Addresses DE-15
Several function templates of pair and tuple allow for too many implicit conversions, for example:
#include <tuple>
std::tuple<char*> p(0); // Error?
struct A { explicit A(int){} };
A a = 1; // Error
std::tuple<A> ta = std::make_tuple(1); // OK?
[ Resolution proposed by ballot comment ]
Consider to add wording to constrain these function templates.
[ 2010-10-24 Daniel adds: ]
Accepting n3140 would solve this issue.
Proposed resolution:
See n3140.