Daniel Stutzbach wrote: > On Tue, Feb 10, 2009 at 10:24 AM, Cesare Di Mauro > <cesare.dima...@a-tono.com <mailto:cesare.dima...@a-tono.com>> wrote: > > Could it be applyable to other operations as well? So, if I wrote: > c = not(a < b) > the compiler and/or peephole optimizer can generate bytecodes > instructions which, instead, execute the following operation: > c = a >= b > > > Those two expressions are equivalent for integers, but not necessarily > equivalent for objects that define their own comparison operator. > That's true, but the same *could* be said about the existing optimizations for objects that define their own __contains__.
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