Function clippy_utils::method_calls

pub fn method_calls<'tcx>(
    expr: &'tcx Expr<'tcx>, 
    max_depth: usize
) -> (Vec<Symbol>, Vec<&'tcx [Expr<'tcx>]>, Vec<Span>)

Returns the method names and argument list of nested method call expressions that make up expr. method/span lists are sorted with the most recent call first.