diff --git a/src/file.rs b/src/file.rs
index 357cf6e..17ea8ff 100644
--- a/src/file.rs
+++ b/src/file.rs
@@ -12,6 +12,71 @@
     /// A complete file of Rust source code.
     ///
     /// *This type is available if Syn is built with the `"full"` feature.*
+    ///
+    /// # Example
+    ///
+    /// Parse a Rust source file into a `syn::File` and print out a debug
+    /// representation of the syntax tree.
+    ///
+    /// ```
+    /// extern crate syn;
+    ///
+    /// use std::env;
+    /// use std::fs::File;
+    /// use std::io::Read;
+    /// use std::process;
+    ///
+    /// fn main() {
+    /// # }
+    /// #
+    /// # fn fake_main() {
+    ///     let mut args = env::args();
+    ///     let _ = args.next(); // executable name
+    ///
+    ///     let filename = match (args.next(), args.next()) {
+    ///         (Some(filename), None) => filename,
+    ///         _ => {
+    ///             eprintln!("Usage: dump-syntax path/to/filename.rs");
+    ///             process::exit(1);
+    ///         }
+    ///     };
+    ///
+    ///     let mut file = File::open(&filename).expect("Unable to open file");
+    ///
+    ///     let mut src = String::new();
+    ///     file.read_to_string(&mut src).expect("Unable to read file");
+    ///
+    ///     let syntax = syn::parse_file(&src).expect("Unable to parse file");
+    ///     println!("{:#?}", syntax);
+    /// }
+    /// ```
+    ///
+    /// Running with its own source code as input, this program prints output
+    /// that begins with:
+    ///
+    /// ```text
+    /// File {
+    ///     shebang: None,
+    ///     attrs: [],
+    ///     items: [
+    ///         ExternCrate(
+    ///             ItemExternCrate {
+    ///                 attrs: [],
+    ///                 vis: Inherited,
+    ///                 extern_token: Extern,
+    ///                 crate_token: Crate,
+    ///                 ident: Ident {
+    ///                     term: Term(
+    ///                         "syn"
+    ///                     ),
+    ///                     span: Span
+    ///                 },
+    ///                 rename: None,
+    ///                 semi_token: Semi
+    ///             }
+    ///         ),
+    /// ...
+    /// ```
     pub struct File {
         pub shebang: Option<String>,
         pub attrs: Vec<Attribute>,