[NIT] Pretty pretting #ifFalse:ifTrue:
Andrew C. Greenberg
werdna at mucow.com
Mon Nov 19 12:53:07 UTC 2001
Aren't these expressions semantically identical? Doesn't
bool ifTrue: block
evaluate to nil if bool is false?
On Monday, November 19, 2001, at 01:33 AM, Tim Rowledge wrote:
> a _ bool
> ifTrue:[self fribble]
> it will usually get turned into
> a _ bool ifTrue:[self fribble]
> with the other clause getting dropped.
> This is acceptable, indeed an optimisation in many cases, but not for
> example in a loop where you need 'a' to _reset_ to nil part way through
> an enumeration.
More information about the Squeak-dev