vtypechoice ~master (2022-05-22T19:59:43Z)
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Optional.isNone
vtypechoice
optional
Optional
Undocumented in source. Be warned that the author may not have intended to support it.
struct
Optional
(T)
scope const
bool
isNone
(
)
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vtypechoice
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Optional
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opDollar
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isNone
isSome
opAssign
opEquals
opIndex
opSlice
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