Diffy McDiffface

patch.diff

diff --git a/src/errors/errors.go b/src/errors/errors.go
index b8a4692..ba1e239 100644
--- a/src/errors/errors.go
+++ b/src/errors/errors.go
@@ -10,6 +10,10 @@ func New(text string) error {
        return &errorString{text}
 }
 
+type Error string
+
+func (e Error) Error() string { return string(e) }
+
 // errorString is a trivial implementation of error.
 type errorString struct {
        s string
diff --git a/src/io/io.go b/src/io/io.go
index 23401da..12e5d2e 100644
--- a/src/io/io.go
+++ b/src/io/io.go
@@ -35,7 +35,7 @@ var ErrShortBuffer = errors.New("short buffer")
 // If the EOF occurs unexpectedly in a structured data stream,
 // the appropriate error is either ErrUnexpectedEOF or some other error
 // giving more detail.
-var EOF = errors.New("EOF")
+const EOF = errors.Error("EOF")
 
 // ErrUnexpectedEOF means that EOF was encountered in the
 // middle of reading a fixed-size block or data structure.