lib/sms77/util.rb in sms77-0.1.0 vs lib/sms77/util.rb in sms77-0.2.0

@@ -23,6 +23,28 @@
   end
 
   def self.in_module_constants?(needle, mod)
     get_module_constant_values(mod).include?(needle)
   end
+
+  def self.valid_float?(str)
+    !!Float(str) rescue false
+  end
+
+  def self.numeric?(val)
+    return true if val.is_a?(Integer)
+
+    val.scan(/\D/).empty?
+  end
+
+  def self.boolean?(val)
+    [true, false].include? val
+  end
+
+  def self.nil_or_lengthy_string?(val)
+    val.nil? || (val.is_a?(String) && val.length)
+  end
+
+  def self.lengthy_string?(val)
+    return val.is_a?(String) && !val.empty?
+  end
 end
\ No newline at end of file