Re: [Python-ideas] Add "equal" builtin function

On Thu, Oct 6, 2016 at 5:53 PM Sjoerd Job Postmus wrote: > On Thu, Oct 06, 2016 at 02:45:11PM +, אלעזר wrote: > > It is a real problem. People are used to write `seq == [1, 2, 3]` and it > > passes unnoticed (even with type checkers) that if seq changes to e.g. a > >

Re: [Python-ideas] Add "equal" builtin function

On Thu, Oct 06, 2016 at 02:45:11PM +, אלעזר wrote: > It is a real problem. People are used to write `seq == [1, 2, 3]` and it > passes unnoticed (even with type checkers) that if seq changes to e.g. a > tuple, it will cause subtle bugs. It is inconvenient to write `len(seq) == > 3 and seq ==

Re: [Python-ideas] Add "equal" builtin function

On Thu, Oct 06, 2016 at 03:01:36PM +0100, Paul Moore wrote: > On 6 October 2016 at 14:45, Filipp Bakanov wrote: > > For now there are many usefull builtin functions like "any", "all", etc. I'd > > like to propose a new builtin function "equal". It should accept iterable, > >

Re: [Python-ideas] Add "equal" builtin function

It is a real problem. People are used to write `seq == [1, 2, 3]` and it passes unnoticed (even with type checkers) that if seq changes to e.g. a tuple, it will cause subtle bugs. It is inconvenient to write `len(seq) == 3 and seq == [1, 2, 3]` and people often don't notice the need to write it.

Re: [Python-ideas] Add "equal" builtin function

On 6 October 2016 at 14:45, Filipp Bakanov wrote: > For now there are many usefull builtin functions like "any", "all", etc. I'd > like to propose a new builtin function "equal". It should accept iterable, > and return True if all items in iterable are the same or iterable is

[Python-ideas] Add "equal" builtin function

For now there are many usefull builtin functions like "any", "all", etc. I'd like to propose a new builtin function "equal". It should accept iterable, and return True if all items in iterable are the same or iterable is emty. That's quite popular problem, there is a discussion of how to perform