Merge pull request #55 from fernandocastor/master

Translation to Brazilian Portuguese

README.md

@@ -21,7 +21,6 @@ then open a pull request. :zap:
  * Don’t leave trailing whitespace.
    * Not even leading indentation on blank lines.
 
-
 #### Prefer `let`-bindings over `var`-bindings wherever possible
 
 Use `let foo = …` over `var foo = …` wherever possible (and when in doubt). Only use `var` if you absolutely have to (i.e. you *know* that the value might change, e.g. when using the `weak` storage modifier).
@@ -34,7 +33,7 @@ It becomes easier to reason about code. Had you used `var` while still making th
 
 Accordingly, whenever you see a `var` identifier being used, assume that it will change and ask yourself why.
 
-### Return and break early
+#### Return and break early
 
 When you have to meet certain criteria to continue execution, try to exit early. So, instead of this:
 
@@ -56,7 +55,6 @@ guard n.isNumber else {
 
 You can also do it with `if` statement, but using `guard` is prefered, because `guard` statement without `return`, `break` or `continue` produces a compile-time error, so exit is guaranteed.
 
-
 #### Avoid Using Force-Unwrapping of Optionals
 
 If you have an identifier `foo` of type `FooType?` or `FooType!`, don't force-unwrap it to get to the underlying value (`foo!`) if possible.
@@ -309,3 +307,4 @@ _Rationale:_ Operators consist of punctuation characters, which can make them di
 * [日本語版](https://github.com/jarinosuke/swift-style-guide/blob/master/README_JP.md)
 * [한국어판](https://github.com/minsOne/swift-style-guide/blob/master/README_KR.md)
 * [Versión en Español](https://github.com/antoniosejas/swift-style-guide/blob/spanish/README-ES.md)
+* [Versão em Português do Brasil](https://github.com/fernandocastor/swift-style-guide/blob/master/README-PTBR.md)