class Deterministic::Option
Public Class Methods
any?(expr)
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# File lib/deterministic/option.rb, line 13 def any?(expr) to_option(expr) { expr.nil? || (expr.respond_to?(:empty?) && expr.empty?) } end
some?(expr)
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# File lib/deterministic/option.rb, line 9 def some?(expr) to_option(expr) { expr.nil? } end
to_option(expr, &predicate)
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# File lib/deterministic/option.rb, line 17 def to_option(expr, &predicate) predicate.call(expr) ? None.new : Some.new(expr) end
try!() { |rescue none| ... }
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# File lib/deterministic/option.rb, line 21 def try! yield rescue None.new end