套件：golang-github-jacobsa-reqtrace-dev（0.0~git20150505-6）

simple request tracing

reqtrace is a package for simple request tracing. It requires nothing of its user except:

 * They must use golang.org/x/net/context.
 * They must add a single line to each function they want to be visible in
   traces.

In particular, reqtrace is console-based and doesn't require an HTTP server.

Warning: This package is still barebones and in its early days. The author reserves the right to make backwards-incompatible changes to its API. But if it's useful to you in your current form, have at it.

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