make code compatible with stable toolchain

type_reflect/examples/declare_and_export/declare_and_export.rs

@@ -120,7 +120,7 @@ fn main() {
         destinations: [
             TypeScript(
                 "./type_reflect/examples/declare_and_export/output/type_2.ts"
-                prefix: "import { Bar } from './bar.ts'",
+                prefix: "import { Bar } from './bar.ts';",
                 tab_size: 2,
 
             ),

type_reflect/src/lib.rs

@@ -1,6 +1,3 @@
-#![allow(incomplete_features)]
-#![feature(specialization)]
-#![feature(let_chains)]
 pub use core::convert::AsRef;
 use std::ffi::OsStr;
 use type_reflect_macros;

type_reflect/src/type_script/untagged_enum_type.rs

@@ -113,13 +113,12 @@ fn emit_tuple_case_type_name(
     tuple_fields: &Vec<Type>,
     parent_name: &str,
 ) -> String {
-    if let Some(field) = tuple_fields.first()
-        && tuple_fields.len() == 1
-    {
-        to_ts_type(&field)
-    } else {
-        union_case_type_name(case, parent_name)
+    if let Some(field) = tuple_fields.first() {
+        if tuple_fields.len() == 1 {
+            return to_ts_type(&field);
+        }
     }
+    union_case_type_name(case, parent_name)
 }
 
 fn emit_case_type(case: &EnumCase, parent_name: &str) -> String {
@@ -152,21 +151,21 @@ fn emit_tuple_case_type_contentns(
     tuple_fields: &Vec<Type>,
     parent_name: &str,
 ) -> String {
-    if let Some(field) = tuple_fields.first()
-        && tuple_fields.len() == 1
-    {
-        to_ts_type(&field)
-    } else {
-        let members: Vec<String> = tuple_fields
-            .into_iter()
-            .map(|field| to_ts_type(&field))
-            .collect();
-        let members = members.join(", ");
-
-        ts_string! {
-            [ #members ]
+    if let Some(field) = tuple_fields.first() {
+        if tuple_fields.len() == 1 {
+            return to_ts_type(&field);
         }
     }
+
+    let members: Vec<String> = tuple_fields
+        .into_iter()
+        .map(|field| to_ts_type(&field))
+        .collect();
+    let members = members.join(", ");
+
+    ts_string! {
+        [ #members ]
+    }
 }
 
 fn emit_struct_case_type_contentns(case: &EnumCase, named_fields: &Vec<NamedField>) -> String {

type_reflect_macros/src/lib.rs

@@ -1,5 +1,3 @@
-#![allow(incomplete_features)]
-#![feature(specialization)]
 #![macro_use]
 // #![deny(unused)]