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0.1.2 Jul 15, 2019
0.1.1 Jun 20, 2019
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#87 in Debugging

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Used in 123 crates (108 directly)

MIT license

410KB
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better-panic

Build Status Crates.io License rustc 1.42.0 Documentation

better-panic gives you pretty backtraces for panics.

It is inspired by Python tracebacks and tries to replicate them as well as possible. This is what it looks like:

Some of the code is based on the color-backtrace library.

Usage

The most common way to use it is to invoke the install function which installs a panic handler. In debug builds the backtrace is shown automatically, in release builds it's hidden by default.

better_panic::install();

For more configuration see the Settings object.

Features

  • Colorize backtraces to be easier on the eyes
  • Show source snippets if source files are found on disk
  • Hide all the frames after the panic was already initiated

Dependencies

~2–11MB
~119K SLoC