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leandrocp/sys_trace.ex

Created May 17, 2018 11:56
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sys_trace.ex
iex> :sys.trace pid, true
:ok
iex> GenServer.call(pid, ​:next_number​)
*DBG* <0.69.0> got call next_number from <0.25.0>
*DBG* <0.69.0> sent 105 to <0.25.0>, new state 106
105
# Excerpt From: Dave Thomas. “Programming Elixir ≥ 1.6” iBooks.
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