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optional 2.0.1

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

optional 2.0

• 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

• 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

Initial release

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.