RFC: date-time builtin type

[WilstonOreo]

When you build Calendars and other Date/Time-Widgets, properties with a date-time builtin type might be useful.
Here are a few suggestions how a builtin type date-time could look like:

component Calendar {
in property <date-time> date-time;
}

date-time should behave similar to a JavaScript Date object with convenience functions:

• hours() -> int, minutes() -> int, month_name() -> string
• to_string(format: string) -> string: date-time.to_string("DD/MM/YYYY"), date-time.to_string("hh:mm:ss")
• to_locale_string(locale: string) -> string:

Additionally, there could also be a DateTime namespace to hold functions to construct date-time instances:

• DateTime.now()
• DateTime.new(year: int, month: int, day: int, hours: int, minutes: int, seconds: int)

Comments/Suggestions welcome!

[tronical]

Implementation wise I think that perhaps this needs to be feature conditional and we could wrap icu_calendar’s Date<AnyCalendar>. We’d also wrap that in C++ maybe, or is there something else we should use instead?

[WilstonOreo]

Yes it should be a feature because there might not even be a system clock on certain MCUs :) Wrapping icu_calendar Date<AnyCalendar> and exposing it as an FFI should be fine. Although it might be good to use std::time in C++ to save a few CPU cycles?