Function ivyrust::ivy_bind_msg

pub fn ivy_bind_msg<F>(cb: F, regexpr: String) -> MsgRcvPtr where
    F: Fn(Vec<String>), 

Bind a callback for a particular message

regexpr defines which message should be bound, for example "^(\S*) DL_SETTING (\S*) (\S*) (\S*)" will and cb is a function callback in form of Fn(Vec<String>)