Get rid of checks when creating constructs. Check should handle this.

generator.go

@@ -2,7 +2,6 @@ package atom
 
 import (
 	"encoding/xml"
-	"errors"
 	"fmt"
 	"html"
 )
@@ -15,22 +14,9 @@ type Generator struct {
 	Text    string `xml:",chardata"`
 }
 
-// NewGenerator creates a new Generator. It returns a *Generator and an error.
-func NewGenerator(text string) (*Generator, error) {
-	if text == "" {
-		return nil, errors.New("error creating new generator: text string empty")
-	}
-
-	return &Generator{Text: html.UnescapeString(text)}, nil
-}
-
-// SetURI sets the URI attribute of the Generator. It returns an error.
-func (g *Generator) SetURI(uri string) error {
-	if !isValidIRI(uri) {
-		return fmt.Errorf("uri %v not correctly formatted", g)
-	}
-
-	return nil
+// NewGenerator creates a new Generator. It returns a *Generator.
+func NewGenerator(text string) *Generator {
+	return &Generator{Text: html.UnescapeString(text)}
 }
 
 // Check checks the Generator for incompatibilities with RFC4287. It returns an