I think sigils should only ever accept the extended format. Imagine reading ~D[2020-01-03] and then two lines below ~D[20200103]. :) My mind is not yet made on the parsing one but I was thinking about an explicit flag :basic | :extended | :ordinal.
On Thu, Feb 4, 2021 at 11:48 PM Christopher Keele <christheke...@gmail.com> wrote: > > I am not necessarily worried about sigils because sigils are always > compile-time literals. It is probably fine to enforce a given format there > rather than multiple ones. > > Agreed! What I am wondering here is if the sigils -- and other parsing > functions -- should probably be universally accepting; ie not require > specifying a format and letting any valid date through by default. Does > that seem reasonable to you? > > On Thursday, February 4, 2021 at 2:45:27 PM UTC-8 José Valim wrote: > >> >> >>> I like José's suggesting of supporting a flag, but it gets kind of >>> complicated as there are several dimensions here even in our reduced case. >>> Dates, times, and datetimes support either basic or extended notations; >>> dates and datetimes support calendar dates or ordinal dates; both are >>> applicable to any parsing. >>> >> >> Are we 100% sure that ordinal datetimes are part of ISO8601? Kip, can you >> please confirm? >> >> >>> If we went with this approach I'd lean towards always accepting either >>> form for one of the dimensions, and using flags to the sigil and parsing >>> functions to indicate intent for the other. >>> >> >> I am not necessarily worried about sigils because sigils are always >> compile-time literals. It is probably fine to enforce a given format there >> rather than multiple ones. >> >> -- > 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 elixir-lang-core+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elixir-lang-core/dbc36578-362b-4a4c-9a97-ac6026149267n%40googlegroups.com > <https://groups.google.com/d/msgid/elixir-lang-core/dbc36578-362b-4a4c-9a97-ac6026149267n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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 elixir-lang-core+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elixir-lang-core/CAGnRm4%2BhTMCs%2Bn%2BA6ASGVA45Ru8zzesNWufw2%2BZT8zwjvHEexQ%40mail.gmail.com.
