class

CRZ::Containers::Option(A)

Inherits CRZ::Monad < CRZ::Applicative < CRZ::Functor < Reference < Object

base class

Class methods

of(value : T) : Option(T) forall T
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Instance methods

bind
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flat_map
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get_or_else(default : A) : A
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has_value
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to_s

Returns a nicely readable and concise string representation of this object, typically intended for users.

This method should usually not be overridden. It delegates to #to_s(IO) which can be overridden for custom implementations.

Also see #inspect.

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unwrap
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unwrap_or_else(default : A) : A
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Macros

match(val, cases)
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Nested types