Function clippy_utils::get_enclosing_loop_or_multi_call_closure

pub fn get_enclosing_loop_or_multi_call_closure<'tcx>(
    cx: &LateContext<'tcx>,
    expr: &Expr<'_>
) -> Option<&'tcx Expr<'tcx>>

Gets the loop or closure enclosing the given expression, if any.