Function c2rust_refactor::matcher::find_first_with

pub fn find_first_with<P, T>(
    init_mcx: MatchCtxt, 
    pattern: P, 
    target: &mut T
) -> Option<Bindings> where
    P: Pattern<P>,
    T: MutVisit, 

Find the first place where pattern matches under initial context init_mcx, and return the resulting Bindings.