Function find_first

arrow-avro/src/reader/mod.rs:3634–3636

(arr: &[Value], pred: impl Fn(&Value) -> bool)

                && obj.get("logicalType").and_then(|v| v.as_str()) == Some(lt)
        }
        fn find_first(arr: &[Value], pred: impl Fn(&Value) -> bool) -> Option<Value> {
            arr.iter().find(|v| pred(v)).cloned()
        }
        fn prim(s: &str) -> Value {
            Value::String(s.to_string())
        }