class Funcify::Monad
Public Class Methods
failure()
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> failure.(:error) => Failure(:error)
# File lib/funcify/monad.rb, line 18 def failure -> value { Failure(value) } end
lift()
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operates with a Result and a Try monad > lift.(Success(:ok)) => :ok
# File lib/funcify/monad.rb, line 11 def lift -> value { maybe_value_ok?.(value) ? maybe_value.(value) : try_maybe_failure.(value) } end
maybe_failure()
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# File lib/funcify/monad.rb, line 39 def maybe_failure -> v { v.failure } end
maybe_value()
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# File lib/funcify/monad.rb, line 35 def maybe_value ->(v) { v.value_or } end
maybe_value_fail?()
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# File lib/funcify/monad.rb, line 31 def maybe_value_fail? -> m { m.respond_to?(:failure?) && m.failure? } end
maybe_value_ok?()
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# File lib/funcify/monad.rb, line 27 def maybe_value_ok? -> m { m.respond_to?(:success?) && m.success? } end
success()
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> success.(:ok) => Success(:ok)
# File lib/funcify/monad.rb, line 23 def success -> value { Success(value) } end
try_maybe_failure()
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# File lib/funcify/monad.rb, line 43 def try_maybe_failure -> v { v.respond_to?(:failure) ? v.failure : v.exception } end