Another issue with an alias would be with many different aliases of the same module. E. g. in Ecto if the schema has two distinct associations with the same foreign schema, one might want to improve code readability by
alias User, as: Customer # for customer-aware queries alias User, as: Seller # for seller-aware queries On Fri, Feb 4, 2022 at 8:49 AM Jon Rowe <[email protected]> wrote: > One of the same problems with `import` applies to `alias` too though, if a > library has `alias Module` in its `use` macro it would cause this warning > if you aliased it yourself to be explicit. Prehaps this is more suited to a > static analysis tool like credo which already warns you if your aliases and > import declarations are out of order, it could warn you if you have them > twice in the same file without hassling those who just like to be explicit > in files. > > Just my 2¢ > > Cheers > Jon > > On Thu, 3 Feb 2022, at 10:57 PM, [email protected] wrote: > > Yeah I agree that import is more tricky. But for me, alias is the main use > case. I'll see if I can manage a PR. > > On Thursday, February 3, 2022 at 11:56:02 PM UTC+1 José Valim wrote: > > We can warn it for aliases no problems and a PR would be welcome. > > However, for imports it is a bit more complicated because you can import > something multiple times with different parts. Furthermore, maybe a library > Bar is doing "import Foo" and you want to repeat "import Foo" for clarity. > I think we will have false positives. > > > On Thu, Feb 3, 2022 at 9:48 PM [email protected] <[email protected]> wrote: > > If a module is aliased or imported multipled times by the module, it would > be handy to have a warning. > > For example: > > defmodule Foo do > > alias Ecto.Changeset > alias Ecto.Changeset > > end > > should result in a warning "duplicate import". > > This is low priority, but as there is one for unused import/alias it would > help make the code cleaner. > > > -- > You received this message because you are subscribed to the Google Groups > "elixir-lang-core" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > <https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_msgid_elixir-2Dlang-2Dcore_0d85ffa7-2D3997-2D4637-2D915e-2D523a744d155cn-2540googlegroups.com-3Futm-5Fmedium-3Demail-26utm-5Fsource-3Dfooter&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=rmhwzhuTk1LyLPLZIrqkat6wS6r2qE3XZKnTTHGaxH8&m=nBaHIf39tjAxJ4vPfe7WXAQ-aEsO8kYQmVsnCiTnLKo&s=aSHkguMzbGx-iiTui5UCHrJWhHEyl-Ep6igt1UZBe38&e=> > https://groups.google.com/d/msgid/elixir-lang-core/0d85ffa7-3997-4637-915e-523a744d155cn%40googlegroups.com > <https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_msgid_elixir-2Dlang-2Dcore_0d85ffa7-2D3997-2D4637-2D915e-2D523a744d155cn-2540googlegroups.com&d=DwQFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=rmhwzhuTk1LyLPLZIrqkat6wS6r2qE3XZKnTTHGaxH8&m=nBaHIf39tjAxJ4vPfe7WXAQ-aEsO8kYQmVsnCiTnLKo&s=QvMK3TW4FZbMn7hVivBq4OEQ_lIHVZB6OnwwfTRPE9Y&e=> > . > > > -- > You received this message because you are subscribed to the Google Groups > "elixir-lang-core" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > <https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_msgid_elixir-2Dlang-2Dcore_cd5b5442-2D2f9f-2D44ea-2Dbaec-2D5c5a369ff8e0n-2540googlegroups.com-3Futm-5Fmedium-3Demail-26utm-5Fsource-3Dfooter&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=rmhwzhuTk1LyLPLZIrqkat6wS6r2qE3XZKnTTHGaxH8&m=nBaHIf39tjAxJ4vPfe7WXAQ-aEsO8kYQmVsnCiTnLKo&s=vHYcxlAYO9RJPBPFpDe6MtCDoC5v_bgaX7iCM9KlJcc&e=> > https://groups.google.com/d/msgid/elixir-lang-core/cd5b5442-2f9f-44ea-baec-5c5a369ff8e0n%40googlegroups.com > <https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_msgid_elixir-2Dlang-2Dcore_cd5b5442-2D2f9f-2D44ea-2Dbaec-2D5c5a369ff8e0n-2540googlegroups.com&d=DwQFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=rmhwzhuTk1LyLPLZIrqkat6wS6r2qE3XZKnTTHGaxH8&m=nBaHIf39tjAxJ4vPfe7WXAQ-aEsO8kYQmVsnCiTnLKo&s=qIDlwojMJ8gayZDa9PA38rJmLoVvikRZOaDTPJOby2o&e=> > . > > > -- > You received this message because you are subscribed to the Google Groups > "elixir-lang-core" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > <https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_msgid_elixir-2Dlang-2Dcore_47b20449-2D8cfc-2D40f6-2D8106-2D5a07d30eabce-2540www.fastmail.com-3Futm-5Fmedium-3Demail-26utm-5Fsource-3Dfooter&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=rmhwzhuTk1LyLPLZIrqkat6wS6r2qE3XZKnTTHGaxH8&m=nBaHIf39tjAxJ4vPfe7WXAQ-aEsO8kYQmVsnCiTnLKo&s=Q6B8dyF6-dJfaRuAsRLAQLpiK0jY6UuVhcp-azl49sE&e=> > https://groups.google.com/d/msgid/elixir-lang-core/47b20449-8cfc-40f6-8106-5a07d30eabce%40www.fastmail.com > <https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_msgid_elixir-2Dlang-2Dcore_47b20449-2D8cfc-2D40f6-2D8106-2D5a07d30eabce-2540www.fastmail.com&d=DwQFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=rmhwzhuTk1LyLPLZIrqkat6wS6r2qE3XZKnTTHGaxH8&m=nBaHIf39tjAxJ4vPfe7WXAQ-aEsO8kYQmVsnCiTnLKo&s=GBpXOsjCgudIhDKy-rxwRRo2UaOQcGAt-7z4GQAL9zY&e=> > . > -- *Aleksei Matiushkin*, Software Engineer - R&D Office (+34) 935 679 834 8 Devonshire Square, London, EC2M 4PL, United Kingdom Torre Mapfre, Planta 22, Marina, 16-18, 08005 Barcelona, Spain *kantox.com <http://kantox.com/>* <http://www.linkedin.com/company/1871617> <http://www.linkedin.com/company/1871617>[image: LinkedIn] <https://www.linkedin.com/company/1871617> <https://twitter.com/kantox>[image: Twitter] <https://twitter.com/kantox> <http://www.youtube.com/user/kantoxfx>[image: YouTube] <https://www.youtube.com/user/kantoxfx> Kantox Limited is a UK private company with registered company number 07657495 and registered address at 8 Devonshire Square, London EC2M 4PL, United Kingdom. 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