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era 0.4.0
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@joeroe joeroe released this 16 Nov 15:17
v0.4.0
430c46c

era 0.4.0 was released on CRAN on 2022-03-09.

  • New eras:
    • Anno Mundi (Hebrew calendar)
  • New year units:
    • Sidereal, tropical, and anomalistic astronomic years #15
    • Hebrew lunisolar years
  • Changes to existing eras:
    • More precise epoch value for Hijri eras: 621.5394 instead of 622.
    • More precise epoch value for Nowruz (Solar Hijri) eras: 621.2218 instead of 622.
  • Fixed recurring issues related to the absence of a year 0 in BCE/CE #4
  • this_year() now considers the current date, returns a floored integer (i.e. the actual current calendar year), and is vectorised over era.
  • Added pillar printing methods for era (#33) and era_year (#34) in tibbles
  • Class constructors era() and yr() now return a zero-length vector when called with no arguments (instead of an error), allowing them to be used as prototypes
  • era_yr objects can now be cast to character vectors (e.g. as.character(yr(1, "BP")))
  • Combining otherwise equivalent eras with different names or labels with c() now triggers a warning (#27), consistent with combining them using arithmetic (#3)
  • The era package no longer exports magrittr's pipe operator (%>%)
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