NEWS

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optional 2.0.1 (2022-04-27)

• Remove placeholder vignette title
• Replace verbatim classes comparisons with inherits()

optional 2.0 (2018-11-20)

• NOT COMPATIBLE WITH VERSIONS 1.x
• Replace function some() with the type wrapper option()
• some() is now used to check the status of an optional object

optional 1.1 (2018-05-06)

• Add a fall-through possibility for pattern matching with the fallthrough() function
• match_with() now returns a concatenation of return values from matched result-functions
• Values comparison in match_with() are now direct object comparisons instead of near equality checks

optional 1.0 (2017-07-31)

Initial release