Update protocols.markdown (elixir-lang#1366)

fireproofsocks · web-flow · commit e4328bc73c15 · 2020-02-13T14:08:26.000+01:00
Fix wrong function name.
diff --git a/getting-started/protocols.markdown b/getting-started/protocols.markdown
@@ -34,7 +34,7 @@ defimpl Utility, for: BitString do
 end
 
 defimpl Utility, for: Integer do
- def mask(_value), do: "integer"
+ def type(_value), do: "integer"
 end
 ```
 

-Original file line number
+Diff line change
 end
 defimplUtility, for: Integerdo
 -defmask(_value), do:"integer"
 +deftype(_value), do:"integer"
 end
 ```