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pub trait ToMessageHandler { | |
fn to_message_handler<'a>(self) -> Box<MessageHandler + 'a>; | |
} | |
impl <'b, F> ToMessageHandler for F where F : Fn(&Frame) -> AckOrNack + 'b { | |
fn to_message_handler<'a>(self) -> Box<MessageHandler + 'a> { | |
Box::new(ClosureMessageHandler{closure : self}) as Box<MessageHandler> | |
} | |
} | |
// ERROR | |
subscription.rs:90:5: 90:75 error: the parameter type `F` may not live long enough [E0309] | |
subscription.rs:90 Box::new(ClosureMessageHandler{closure : self}) as Box<MessageHandler> | |
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
subscription.rs:90:5: 90:75 help: consider adding an explicit lifetime bound `F: 'a`... | |
subscription.rs:90 Box::new(ClosureMessageHandler{closure : self}) as Box<MessageHandler> | |
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
subscription.rs:90:5: 90:75 note: ...so that it can be closed over into an object | |
subscription.rs:90 Box::new(ClosureMessageHandler{closure : self}) as Box<MessageHandler> | |
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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