[Patches] [ python-Patches-1504199 ] Switch syntax (partial PEP 275)

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Patches item #1504199, was opened at 2006-06-11 12:13
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Category: Parser/Compiler
Group: Python 2.5
Status: Open
Resolution: None
Priority: 5
Submitted By: Thomas Lee (krumms)
Assigned to: Nobody/Anonymous (nobody)
Summary: Switch syntax (partial PEP 275)

Initial Comment:
Attached is a partial implementation of PEP 275.

It should offer a slight performance enhancement over
if/elif/else, although it won't be nearly as fast as a
lookup table generated at compile time (as the PEP
suggests). However, it is more flexible than a
compile-time generated lookup table in that it accepts
expressions - not just constants - for each case clause.

No new opcodes were added.

Cheers,
Tom

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