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clock 0.2.0

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@DavisVaughan DavisVaughan released this 12 Apr 21:21
v0.2.0
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  • clock now interprets R's Date class as naive-time rather than sys-time.
    This means that it no longer assumes that Date has an implied time zone of
    UTC (#203). This generally aligns better with how users think Date should
    work. This resulted in the following changes:

    • date_zone() now errors with Date input, as naive-times do not have a
      specified time zone.

    • date_parse() now parses into a naive-time, rather than a sys-time, before
      converting to Date. This means that %z and %Z are now completely
      ignored.

    • The Date method for date_format() now uses the naive-time format()
      method rather than the zoned-time one. This means that %z and %Z are
      no longer valid format commands.

    • The zoned-time method for as.Date() now converts to Date through an
      intermediate naive-time, rather than a sys-time. This means that the
      printed date will always be retained, which is generally what is expected.

    • The Date method for as_zoned_time() now converts to zoned-time through
      an intermediate naive-time, rather than a sys-time. This means that the
      printed date will always attempt to be retained, if possible, which is
      generally what is expected. In the rare case that daylight saving time makes
      a direct conversion impossible, nonexistent and ambiguous can be used
      to resolve any issues.

  • New as_date() and as_date_time() for converting to Date and POSIXct
    respectively. Unlike as.Date() and as.POSIXct(), these functions always
    treat Date as a naive-time type, which results in more consistent and
    intuitive conversions. Note that as_date() does conflict with
    lubridate::as_date(), and the lubridate version handles Dates differently
    (#209).

  • Added two new convenient helpers (#197):

    • date_today() for getting the current date (Date)

    • date_now() for getting the current date-time (POSIXct)

  • Fixed a bug where converting from a time point to a Date or POSIXct could
    round incorrectly (#205).

  • Errors resulting from invalid dates or nonexistent/ambiguous times are now
    a little nicer to read through the usage of an info bullet (#200).

  • Formatting a naive-time with %Z or %z now warns that there were
    format failures (#204).

  • Fixed a Solaris ambiguous behavior issue from calling pow(int, int).

  • Linking against cpp11 0.2.7 is now required to fix a rare memory leak issue.

  • Exposed an extremely experimental and limited C++ API for vroom (#322).

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