[−][src]Type Definition rdp::model::data::DynOptionFnSend
type DynOptionFnSend<T> = dyn Fn(&T) -> MessageOption + Send;
Add dynamic filtering capability for parent Node
Use by component node to create a filtering relationship between two or more fields
Example
let mut node = component![ "flag" => DynOption::new(U32::LE(0), |flag| { if flag.inner() == 1 { return MessageOption::SkipField("depend".to_string()); } return MessageOption::None; }), "depend" => U32::LE(0) ]; let mut stream = Cursor::new(vec![0,0,0,0,1,0,0,0]); node.read(&mut stream).unwrap(); assert_eq!(cast!(DataType::U32, node["depend"]).unwrap(), 1); let mut stream = Cursor::new(vec![1,0,0,0,2,0,0,0]); node.read(&mut stream).unwrap(); assert_ne!(cast!(DataType::U32, node["depend"]).unwrap(), 2); }