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-rw-r--r--src/file/mod.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/file/mod.rs b/src/file/mod.rs
index 6c1e4c5..fa6d383 100644
--- a/src/file/mod.rs
+++ b/src/file/mod.rs
@@ -18,6 +18,9 @@ pub use self::extension::FileExtensions;
pub use self::source::file::FileSourceFile;
pub use self::source::string::FileSourceString;
+/// A configuration source backed up by a file.
+///
+/// It supports optional automatic file format discovery.
#[derive(Clone, Debug)]
pub struct File<T, F>
where