metrics 0.21.1

A lightweight metrics facade.
# metrics

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__metrics__ is a lightweight metrics facade.

## code of conduct

**NOTE**: All conversations and contributions to this project shall adhere to the [Code of Conduct][conduct].

# what's it all about?

__metrics__ provides macros, similar to the [`log`]( crate, that let library and executable authors instrument their code by collecting metrics -- incrementing counters, gauges, and histograms -- about their code, deferring the collecting and export of these metrics to whatever the installed metrics library is.