fix(tests): use new serde map implementation

No fun, this one.

.cargo/config

@@ -1,2 +1,3 @@
+paths = ["/Users/byron/dev/yup-oauth2"]
 [build]
 target-dir = "./target"

Cargo.toml

@@ -23,7 +23,7 @@ rustc-serialize = "*"
 yup-oauth2 = "*"
 serde = "*"
 serde_json = "*"
-serde_macros = "*"
+serde_derive = "*"
 strsim = "*"
 
 [dev-dependencies]

src/rust/cli/cmn.rs

@@ -131,14 +131,12 @@ impl From<&'static str> for FieldCursor {
     }
 }
 
-fn assure_entry<'a>(m: &'a mut json::Map<String, Value>, k: &'a String) -> &'a mut Value {
-    match m.get_mut(k) {
-        Some(v) => v,
-        None => {
-            m.insert(k.to_owned(), Value::Object(Default::default()));
-            m.get_mut(k).expect("value to exist")
-        }
+fn assure_entry<'a, 'b>(m: &'a mut json::Map<String, Value>, k: &'b String) -> &'a mut Value {
+    if m.contains_key(k) {
+        return m.get_mut(k).expect("value to exist")
     }
+    m.insert(k.to_owned(), Value::Object(Default::default()));
+    m.get_mut(k).expect("value to exist")
 }
 
 impl FieldCursor {
@@ -282,7 +280,7 @@ impl FieldCursor {
                                     Value::String(value.to_owned()),
                         }
                     };
-
+    
                 match type_info.ctype {
                     ComplexType::Pod => {
                         if mapping.insert(field.to_owned(), to_jval(value, type_info.jtype, err)).is_some() {
@@ -298,7 +296,7 @@ impl FieldCursor {
                     ComplexType::Map => {
                         let (key, value) = parse_kv_arg(value, err, true);
                         let jval = to_jval(value.unwrap_or(""), type_info.jtype, err);
-
+    
                         match *assure_entry(mapping, &field) {
 
                             Value::Object(ref mut value_map) => {
@@ -314,7 +312,7 @@ impl FieldCursor {
             _ => unreachable!()
         }
     }
-
+    
     pub fn num_fields(&self) -> usize {
         self.0.len()
     }

src/rust/lib.rs

@@ -1,7 +1,4 @@
-#![feature(core,io,old_path, custom_derive, custom_attribute, plugin, slice_patterns, std_misc)]
 #![allow(dead_code, deprecated, unused_features, unused_variables, unused_imports)]
-//! library with code shared by all generated implementations
-#![plugin(serde_macros)]
 
 #[macro_use]
 extern crate clap;
@@ -13,6 +10,8 @@ extern crate rustc_serialize;
 extern crate yup_oauth2 as oauth2;
 extern crate serde;
 extern crate serde_json;
+#[macro_use]
+extern crate serde_derive;
 extern crate strsim;
 
 // just pull it in the check if it compiles