So languages clearly favor filter.
- Ruby has filter, too, and I think the name "filter" comes in handy
when you want to do a filter+map in one operation: filter_map.
- Rust's retain does not operate on an Iterator, but is a special
in-place "filter" for Vec-tors, similar to Ruby's keep_if.
- Haskell and Ocaml both use filter, too.
- C#: List.FindAll or LINQ ("SQL"): where clause.
- Go: Seems to have no built-in functionality for "filter". Libraries
tend to prefer "Filter" as name. Rob Pike actually has a library called
filter (https://pkg.go.dev/robpike.io/filter) that uses Choose. IMHO,
good name :)
On Sun, Feb 4, 2024 at 3:40 AM Austin Ziegler <halosta...@gmail.com> wrote:
> On Sat, Feb 3, 2024 at 8:58 PM Michael Neumann <michaelne...@gmail.com>
> wrote:
>
>> IMHO, filter is a bad naming for what it does when coupled with
>> booleans. If the filter condition would return either :keep or :pass, it
>> would be obvious.
>>
>
> Regardless of your opinion on the name for this concept (I have no strong
> feeling either way), the ship has sailed for most languages.
> RosettaCode's page for this is called…Filter:
> https://rosettacode.org/wiki/Filter
>
> There are various names for this:
>
> - remove-if-not (Common Lisp)
> - filter (Clojure)
> - seq-filter (Elisp)
> - lists:filter (Erlang)
> - List.filter (F#)
> - Array.prototype.filter (JS)
> - select (jq)
> - filter (Kotlin)
> - grep (Perl)
> - findall (Prolog)
> - filter (Python, but list comprehensions are more idiomatic)
> - select (Ruby)
> - filter or retain (Rust)
>
> The most *common* name that I saw in the entries was filter or some
> variation.
>
> -a
> --
> Austin Ziegler • halosta...@gmail.com • aus...@halostatue.ca
> http://www.halostatue.ca/ • http://twitter.com/halostatue
>
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