e location of the program counter
	:source - string with the file path or other identifier for the source code
	:slots - array of all values in each slot
	:tail - boolean indicating a tail call</pre></div><hr><div class="binding"><span id="debug/stacktrace" class="binding-sym">debug/stacktrace</span> <span class="binding-type">cfunction</span> <pre class="binding-text">(debug/stacktrace fiber err)

Prints a nice looking stacktrace for a fiber. The error message err must be passed to the function as fiber's 