class Dentaku::AST::Xor
Public Class Methods
max_param_count()
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# File lib/dentaku/ast/functions/xor.rb, line 11 def self.max_param_count Float::INFINITY end
min_param_count()
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# File lib/dentaku/ast/functions/xor.rb, line 7 def self.min_param_count 1 end
Public Instance Methods
value(context = {})
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# File lib/dentaku/ast/functions/xor.rb, line 15 def value(context = {}) if @args.empty? raise Dentaku::ArgumentError.for( :too_few_arguments, function_name: 'XOR()', at_least: 1, given: 0 ), 'XOR() requires at least one argument' end true_arg_count = 0 @args.each do |arg| case arg.value(context) when TrueClass true_arg_count += 1 break if true_arg_count > 1 when FalseClass, nil next else raise Dentaku::ArgumentError.for( :incompatible_type, function_name: 'XOR()', expect: :logical, actual: arg.class ), 'XOR() requires arguments to be logical expressions' end end true_arg_count == 1 end