Attribute for defining examples (#23)

schemars_derive/src/attr/mod.rs

@@ -16,7 +16,7 @@ pub struct Attrs {
     pub title: Option<String>,
     pub description: Option<String>,
     pub deprecated: bool,
-    // TODO pub example: Option<syn::Path>,
+    pub examples: Vec<syn::Path>,
 }
 
 #[derive(Debug)]
@@ -111,6 +111,12 @@ impl Attrs {
                     }
                 }
 
+                Meta(NameValue(m)) if m.path.is_ident("example") => {
+                    if let Ok(fun) = parse_lit_into_path(errors, attr_type, "example", &m.lit) {
+                        self.examples.push(fun)
+                    }
+                }
+
                 Meta(_meta_item) => {
                     // TODO uncomment this for 0.8.0 (breaking change)
                     //  https://github.com/GREsau/schemars/issues/18