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From: Jonathan Nieder <>
To: "Ævar Arnfjörð Bjarmason" <>
Cc: Jeff King <>,, Tim Schumacher <>,,
Subject: Re: ordered string-list considered harmful, was Re: [PATCH v3] Allow aliases that include other aliases
Date: Fri, 7 Sep 2018 00:23:53 -0700	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

Ævar Arnfjörð Bjarmason wrote:
> On Fri, Sep 07 2018, Jonathan Nieder wrote:
>> Jeff King wrote:

>>> I don't see any point in generating a sorted list and _then_ making an
>>> auxiliary hashmap. My idea was that if you're using a sorted string-list
>>> for lookup, then you can replace the whole thing with a hash (inserting
>>> as you go, rather than sorting at the end).
>> What if I'm sorting a string list in preparation for emitting a sorted
>> list, and I *also* want to perform lookups in that same list?  In
>> other words:
> If this turns out to be a common use-case perhaps the easiest way to
> support that would be to make the hashmap (optionally?) ordered, as Ruby
> 1.9 did with their hash implementation:

That's about recording the order of insertion.  I'm talking about
something much simpler: sorting an array (as preparation for emitting
it) and binary searching to find an entry in that array.

  reply	other threads:[~2018-09-07  7:23 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-06 19:12 Jeff King
2018-09-06 19:20 ` Jeff King
2018-09-06 23:50   ` Jonathan Nieder
2018-09-07  3:24     ` Jeff King
2018-09-07  6:32       ` Jonathan Nieder
2018-09-07  7:20         ` Ævar Arnfjörð Bjarmason
2018-09-07  7:23           ` Jonathan Nieder [this message]
2018-09-08 16:49             ` brian m. carlson
2018-09-07 14:48         ` Jeff King
2018-09-06 20:04 ` Stefan Beller
2018-09-06 20:49   ` Jeff King
2018-09-06 20:54     ` Stefan Beller
2018-09-07  3:12       ` Jeff King

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