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Return true if a query is present.
bool has_query() const;
This function returns true if this contains a query. An empty query is distinct from having no query.
assert( [link url.ref.boost__urls__url_view_base.url_view `url_view`]( "/sql?id=42&col=name&page-size=20" ).[link url.ref.boost__urls__url.has_query `has_query`]() );
Constant.
Throws nothing.
[link url.ref.boost__urls__url.query `query`] = *( pchar / "/" / "?" ) [link url.ref.boost__urls__url.query `query`]-param = key [ "=" value ] [link url.ref.boost__urls__url.query `query`]-[link url.ref.boost__urls__url_view.params `params`] = [ [link url.ref.boost__urls__url.query `query`]-param ] *( "&" [link url.ref.boost__urls__url.query `query`]-param )