module Dry::Monads::Maybe::Mixin::Constructors
@private
Public Instance Methods
Maybe(value)
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@param value [Object] the value to be stored in the monad @return [Maybe::Some, Maybe::None
]
# File lib/dry/monads/maybe.rb, line 305 def Maybe(value) Maybe.coerce(value) end
None()
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@return [Maybe::None]
# File lib/dry/monads/maybe.rb, line 325 def None None.new(RightBiased::Left.trace_caller) end
Some(value = Undefined, &block)
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Some
constructor
@overload Some(value)
@param value [Object] any value except `nil` @return [Maybe::Some]
@overload Some(&block)
@param block [Proc] a block to be wrapped with Some @return [Maybe::Some]
# File lib/dry/monads/maybe.rb, line 319 def Some(value = Undefined, &block) v = Undefined.default(value, block || Unit) Some.new(v) end