Make Chain.capture() generic.

Closes flutter#10

[email protected], [email protected]

Review URL: https://codereview.chromium.org//1834283003 .

Author: nex3

CHANGELOG.md

@@ -1,3 +1,8 @@
+## 1.6.3
+
+* Make `Chain.capture()` generic. Its signature is now `T Chain.capture<T>(T
+  callback(), ...)`.
+
 ## 1.6.2
 
 * Fix all strong mode warnings.

lib/src/chain.dart

@@ -68,8 +68,8 @@ class Chain implements StackTrace {
   /// considered unhandled.
   ///
   /// If [callback] returns a value, it will be returned by [capture] as well.
-  static capture(callback(), {void onError(error, Chain chain),
-      bool when: true}) {
+  static /*=T*? capture/*<T>*/(/*=T*/ callback(),
+      {void onError(error, Chain chain), bool when: true}) {
     if (!when) {
       var newOnError;
       if (onError != null) {

pubspec.yaml

@@ -7,7 +7,7 @@ name: stack_trace
 #
 # When the major version is upgraded, you *must* update that version constraint
 # in pub to stay in sync with this.
-version: 1.6.2
+version: 1.6.3
 author: "Dart Team <[email protected]>"
 homepage: http://github.com/dart-lang/stack_trace
 description: >