class String
Constants
- NUMERIC_INPUT
Public Instance Methods
negation_operation?()
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# File lib/utc_rpn_calc/core_ext/string.rb, line 8 def negation_operation? self == "~" end
valid_number?()
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# File lib/utc_rpn_calc/core_ext/string.rb, line 4 def valid_number? !!match(NUMERIC_INPUT) end