register method
- Metric metric
Register Metrics to make them visible to Observatory.
Implementation
static void register(Metric metric) { // TODO: When NNBD is complete, delete the following line. ArgumentError.checkNotNull(metric, 'metric'); if (_metrics[metric.name] != null) { throw new ArgumentError('Registered metrics have unique names'); } _metrics[metric.name] = metric; }
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https://api.dart.dev/stable/2.13.0/dart-developer/Metrics/register.html