More than case-statement semantics or PEP343, I wish for a dowhile
statement.
The most straight-forward way is to put the conditional expression at
the beginning of the block with the understanding that a dowhile keyword
will evaluate the condition only after the block runs:
dowhile <cond>:
<body>
being the equivalent of;
_firstpass = True
while _firstpass or <cond>:
_firstpass = False
<body>
Raymond
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