Function clippy_utils::eager_or_lazy::identify_some_potentially_expensive_patterns

fn identify_some_potentially_expensive_patterns<'tcx>(
    cx: &LateContext<'tcx>, 
    expr: &'tcx Expr<'tcx>
) -> bool

Identify some potentially computationally expensive patterns. This function is named so to stress that its implementation is non-exhaustive. It returns FNs and FPs.