class J8::Comparator
Public Class Methods
comparing(extractor, comparator)
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# File lib/j8/comparator.rb, line 7 def self.comparing(extractor, comparator) extractor = from_callable_class(extractor, nil, J8::Function) comparator = from_callable_class(comparator, nil, J8::Comparator) J8::Comparataor.new( lambda do |o1, o2| comparator.compare(extractor.apply(o1), extractor.apply(o2)) end ) end
Public Instance Methods
compare(o1, o2)
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# File lib/j8/comparator.rb, line 18 def compare(o1, o2) raise J8::NilException if o1.nil? raise J8::NilException if o2.nil? @callable.call(o1, o2) end