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Quiz 15

Anonymous
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#description: This is called koenig lookup or argument dependent name lookup. In this case, the namespace 'standards' is searched for a function 'foo' because its argument 'ds' is defined in that namespace. For function 'bar', no additional namespaces are searched and the name is not found. More details are in 3.4.2.

#include <iostream>
namespace standards
{
struct datastructure
{
};
void foo(const datastructure& ds)
{
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