func_trace 1.0.3

A procedural macro for tracing the execution of functions
Documentation 
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[+] Entering foo(a = 10, b = 20)
  [+] Entering bar(x = 30)
  [-] Exiting bar = ()
  [+] Entering bar(x = 60)
  [-] Exiting bar = ()
[-] Exiting foo = ()