François Laignel c971727193 Query: allow concrete query instantiation ... Allow instantiating and dereferencing concrete queries. The motivation for this proposal is to allow the following usability enhancements: - Concrete queries mutability guaranteed by the borrow checker, including for generic functions: ``` rust let mut p = Query::new_position(::Format::Time); p.get_mut_structure().set("check_mut", &true); ``` - Concrete queries functions available in place: ``` rust let mut q = gst::Query::new_duration(gst::Format::Time); let duration = if pipeline.query(&mut q) { Some(q.get_result()) } else { None }; ```		2018-02-16 10:33:40 +02:00
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basic-tutorial-1.rs	Tutorials: message handlers: invoke generic Message method from the concrete message	2018-01-29 17:33:49 +02:00
basic-tutorial-2.rs	Tutorials: message handlers: invoke generic Message method from the concrete message	2018-01-29 17:33:49 +02:00
basic-tutorial-3.rs	Tutorials: message handlers: invoke generic Message method from the concrete message	2018-01-29 17:33:49 +02:00
basic-tutorial-4.rs	Query: allow concrete query instantiation	2018-02-16 10:33:40 +02:00
basic-tutorial-5.rs	Tutorials: message handlers: invoke generic Message method from the concrete message	2018-01-29 17:33:49 +02:00
basic-tutorial-6.rs	Tutorials: message handlers: invoke generic Message method from the concrete message	2018-01-29 17:33:49 +02:00
basic-tutorial-7.rs	Tutorials: message handlers: invoke generic Message method from the concrete message	2018-01-29 17:33:49 +02:00
basic-tutorial-8.rs	Tutorials: message handlers: invoke generic Message method from the concrete message	2018-01-29 17:33:49 +02:00