metrics size: 149B
res1: { resource = None;
        scope_metrics =
          [{ scope = None;
             metrics =
               [{ name = "sum.foo";
                  description = "";(* absent *)
                  unit_ = "";(* absent *)
                  data =
                    Some(
                      Sum(
                        { data_points =
                            [{ attributes = [];
                               start_time_unix_nano = 42;
                               time_unix_nano = 45;
                               value = Some(As_int(10));
                               exemplars = [];
                               flags = 0;(* absent *)
                             };
                             { attributes = [];
                               start_time_unix_nano = 52;
                               time_unix_nano = 55;
                               value = Some(As_int(20));
                               exemplars = [];
                               flags = 0;(* absent *)
                             }
                             ];
                          aggregation_temporality =
                            Aggregation_temporality_cumulative;
                          is_monotonic = false;(* absent *)
                        }));
                };
                { name = "gauge.bar";
                  description = "";(* absent *)
                  unit_ = "";(* absent *)
                  data =
                    Some(
                      Gauge(
                        { data_points =
                            [{ attributes = [];
                               start_time_unix_nano = 42;
                               time_unix_nano = 45;
                               value = Some(As_double(10.));
                               exemplars = [];
                               flags = 0;(* absent *)
                             };
                             { attributes = [];
                               start_time_unix_nano = 52;
                               time_unix_nano = 55;
                               value = Some(As_double(20.));
                               exemplars = [];
                               flags = 0;(* absent *)
                             }
                             ];
                        }));
                }
                ];
             schema_url = "";(* absent *)
           }
           ];
        schema_url = "";(* absent *)
      }
res1: { resource = None;
        scope_metrics =
          [{ scope = None;
             metrics =
               [{ name = "sum.foo";
                  description = "";(* absent *)
                  unit_ = "";(* absent *)
                  data =
                    Some(
                      Sum(
                        { data_points =
                            [{ attributes = [];
                               start_time_unix_nano = 42;
                               time_unix_nano = 45;
                               value = Some(As_int(10));
                               exemplars = [];
                               flags = 0;(* absent *)
                             };
                             { attributes = [];
                               start_time_unix_nano = 52;
                               time_unix_nano = 55;
                               value = Some(As_int(20));
                               exemplars = [];
                               flags = 0;(* absent *)
                             }
                             ];
                          aggregation_temporality =
                            Aggregation_temporality_cumulative;
                          is_monotonic = false;(* absent *)
                        }));
                };
                { name = "gauge.bar";
                  description = "";(* absent *)
                  unit_ = "";(* absent *)
                  data =
                    Some(
                      Gauge(
                        { data_points =
                            [{ attributes = [];
                               start_time_unix_nano = 42;
                               time_unix_nano = 45;
                               value = Some(As_double(10.));
                               exemplars = [];
                               flags = 0;(* absent *)
                             };
                             { attributes = [];
                               start_time_unix_nano = 52;
                               time_unix_nano = 55;
                               value = Some(As_double(20.));
                               exemplars = [];
                               flags = 0;(* absent *)
                             }
                             ];
                        }));
                }
                ];
             schema_url = "";(* absent *)
           }
           ];
        schema_url = "";(* absent *)
      }