APIUpDownCounter<T extends num> constructor

APIUpDownCounter<T extends num>(String _name, String? _description, String? _unit, APIMeter _meter,)

Creates a new APIUpDownCounter instrument.

This constructor is typically not called directly. Instead, use APIMeter.createUpDownCounter.

_name The name of the up-down counter instrument. _description Optional description of the up-down counter instrument. _unit Optional unit of measurement for the up-down counter. _meter The meter that created this up-down counter instrument.

Implementation

APIUpDownCounter(
  this._name,
  this._description,
  this._unit,
  this._meter,
);