Suggestion: make sequence and map interfaces more similar
Jussi Piitulainen
jussi.piitulainen at helsinki.fi
Wed Mar 30 06:40:08 EDT 2016
Manolo MartÃnez writes:
> On 03/30/16 at 09:17pm, Steven D'Aprano wrote:
>> On Wed, 30 Mar 2016 06:12 pm, Jussi Piitulainen wrote:
>>
>> > Steven D'Aprano writes:
>> >
>> >> Given a surjection (many-to-one mapping)
>> >
>> > No. And I doubt that Wikipedia says that.
>>
>>
>> No to what? What are you disagreeing with?
>>
>
> I think it's with your definition of surjection. Bijections are
> surjective, no?
Yes, and most many-to-one mappings are *not* surjective.
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