Unfortunally, it's not a general technique. It works here because 'fib(0)' is supposed to return '0'; the block isn't executed if the argument of the function is 0.
But it can be written as: 
local our ($n, $m) = (shift, 0)) && do { }

[download]
and then it will always do the 'do'.

In reply to Re^4: Programming in Perl without semicolon by JavaFan
in thread Programming in Perl without semicolon by buetow

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