Comments (2)
Yes, when calling a mutating function (for example in url
) that takes a string_view
parameter, and the caller passes a string which is from inside the container. This helper class assists with that:
https://github.com/CPPAlliance/url/blob/674153089551371eb05901d615c1702e258eadfc/include/boost/url/detail/copied_strings.hpp#L19
For example
url u = parse_uri( "http://example.com?k1=42&k2=69" );
u.params().emplace_back( "k3", u.params().find( "k2" )->value );
from url.
Could you explain this issue a little better?
from url.
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from url.