[plt-scheme] to define, or to let

From: Joe Marshall (jrm at ccs.neu.edu)
Date: Wed Mar 24 14:13:12 EST 2004

Paul Graunke <ptg at ccs.neu.edu> writes:

> There is no runtime check that a program will behave the same way
> under all permissible evaluation orders, unless you try them all.

Not true.  You can determine at run time if two subexpressions have

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