[Python-ideas] True and False are singletons

Richard Damon Richard at Damon-Family.org
Mon Mar 18 08:19:09 EDT 2019

On 3/18/19 7:27 AM, Greg Ewing wrote:
> Juancarlo Añez wrote:
>>    if settings[MY_KEY] is True:
>>        ...
> If I saw code like this, it would take a really good argument to
> convince me that it shouldn't be just
>     if settings[MY_KEY]:
>         ...
That means something VERY different. The first asks if the item is
specifically the True value, while the second just asks if the value is
Truthy, it wold be satisfied also for values like 1.

Richard Damon

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