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Feb 19, 2017 at 18:16
Scala LMS is really neat: it's rare to see a code generation tool with common subexpression elimination included!
index.scala

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May 9, 2021 at 22:01
Python is discussing an elegant approach to tracebacks, where the subexpression that caused the exception is highlighted:
PEP 657 – Include Fine Grained Error Locations in Tracebacks | peps.python.org
PEP 657 – Include Fine Grained Error Locations in Tracebacks | peps.python.org
This PEP proposes adding a mapping from each bytecode instruction to the start and end column offsets of the line that generated them as well as the end line number. This data will be used to improve tracebacks displayed by the CPython interpreter in or...