[Python-Dev] Simple Switch statement
fredrik at pythonware.com
Mon Jun 26 08:07:54 CEST 2006
Guido van Rossum wrote:
> Here's an argument for allowing names (this argument has been used
> successfully for using names instead of string literals in many APIs):
> if there is a spelling error in the string literal, the case will
> silently be ignored, and who knows when the bug is detected. If there
> is a spelling error in a NAME, however, the error will be caught as
> soon as it is evaluated.
which is the rationale for using names in SRE, of course.
and adding a proper switch statement will make this approach a bit
robust; if all cases are marked as static (or made static by default),
all case expressions will be evaluated up front.
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