Add builder API to Config

1 files changed, 4 insertions, 1 deletions

diff --git a/src/file/source/string.rs b/src/file/source/string.rs
index 922e46c..70101d6 100644
--- a/src/file/source/string.rs
+++ b/src/file/source/string.rs
@@ -6,6 +6,7 @@ use source::Source;
 use super::{FileSource, FileFormat};
 
 /// Describes a file sourced from a string
+#[derive(Clone, Debug)]
 pub struct FileSourceString(String);
 
 impl<'a> From<&'a str> for FileSourceString {
@@ -15,7 +16,9 @@ impl<'a> From<&'a str> for FileSourceString {
 }
 
 impl FileSource for FileSourceString {
-    fn resolve(&self, format_hint: Option<FileFormat>) -> Result<(Option<String>, String, FileFormat), Box<Error>> {
+    fn resolve(&self,
+               format_hint: Option<FileFormat>)
+               -> Result<(Option<String>, String, FileFormat), Box<Error>> {
         Ok((None, self.0.clone(), format_hint.expect("from_str requires a set file format")))
     }
 }