meta/float.rb in mutant-0.5.18 vs meta/float.rb in mutant-0.5.19

@@ -1,12 +1,11 @@
 # encoding: utf-8
 
 Mutant::Meta::Example.add do
   source '10.0'
 
-  # generic
-  mutation 'nil'
+  singleton_mutations
 
   # edge cases
   mutation '0.0'
   mutation '1.0'
   mutation '(0.0 / 0.0)'
@@ -18,20 +17,20 @@
 end
 
 Mutant::Meta::Example.add do
   source '0.0'
 
-  mutation 'nil'
+  singleton_mutations
   mutation '1.0'
   mutation '(0.0 / 0.0)'
   mutation '(1.0 / 0.0)'
   mutation '(-1.0 / 0.0)'
 end
 
 Mutant::Meta::Example.add do
   source '-0.0'
 
-  mutation 'nil'
+  singleton_mutations
   mutation '1.0'
   mutation '(0.0 / 0.0)'
   mutation '(1.0 / 0.0)'
   mutation '(-1.0 / 0.0)'
 end