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based on an earlier version of the Wolfram Language.
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StackComplete

StackComplete[expr]
evaluates expr with intermediate expressions in evaluation chains included on the stack.
  • Mathematica normally includes only the latest expression on each evaluation chain involved in the evaluation of a particular expression. Inside StackComplete, however, all preceding expressions on the evaluation chains are included.
  • StackComplete typically increases significantly the number of expressions kept on the evaluation stack.
Include intermediate expressions in the evaluation stack:
Without StackComplete, you do not see how f and g are used:
Include intermediate expressions in the evaluation stack:
In[1]:=
Click for copyable input
In[2]:=
Click for copyable input
Out[2]=
Without StackComplete, you do not see how f and g are used:
In[3]:=
Click for copyable input
Out[3]=
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