| bytes | Package bytes implements functions for the manipulation of byte slices. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| go.opencensus.io/internal/tagencoding | Package tagencoding contains the tag encoding used interally by the stats collector. |
| go.opencensus.io/metric/metricdata | Package metricdata contains the metrics data model. |
| go.opencensus.io/metric/metricproducer | |
| go.opencensus.io/resource | Package resource provides functionality for resource, which capture identifying information about the entities for which signals are exported. |
| go.opencensus.io/stats | Package stats contains support for OpenCensus stats recording. |
| go.opencensus.io/stats/internal | |
| go.opencensus.io/tag | Package tag contains OpenCensus tags. |
| math | Package math provides basic constants and mathematical functions. |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| sync/atomic | Package atomic provides low-level atomic memory primitives useful for implementing synchronization algorithms. |
| time | Package time provides functionality for measuring and displaying time. |