lib/molecules/empirical_formula.rb in bahuvrihi-molecules-0.1.0 vs lib/molecules/empirical_formula.rb in bahuvrihi-molecules-0.1.1

@@ -37,11 +37,11 @@
         formula = chemical_formula.to_s.gsub(/\s+/, "")
 
         factor = nil
         composition = Hash.new(0)
         scanner = StringScanner.new(formula.reverse)
-        while scanner.restsize > 0
+        while scanner.rest_size > 0
           case
           when scanner.scan_full(/\)(\d+-?)\(/, true, false)
             # found a factor
             factor = scanner[1].reverse.to_i
           when scanner.scan_full(/([a-z]?[A-Z])/, true, false)
@@ -131,10 +131,10 @@
         # composition will store the formula composition as it is parsed
         composition = Hash.new(0)
 
         # Parse elements and factors out of the formula from right to left     
         scanner = StringScanner.new(formula.reverse)
-        while scanner.restsize > 0
+        while scanner.rest_size > 0
 
           case
           when scanner.scan_full(/(\d+)/, true, false)
             # found a factor
             factor = scanner[1].reverse.to_i