firka/flutter
firka/flutter
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Updated closure trampolines.

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pq 2016-06-22 15:25:25 -07:00
parent 352e2f573b
commit dcc7b144af
1 changed files with 5 additions and 2 deletions
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7
packages/flutter/lib/src/widgets/framework.dart
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@ -304,6 +304,9 @@ abstract class Widget {
} }
} }
/// The signature of build() functions.
typedef Widget _BuildFunction(BuildContext context);
/// StatelessWidgets describe a way to compose other Widgets to form reusable /// StatelessWidgets describe a way to compose other Widgets to form reusable
/// parts, which doesn't depend on anything other than the configuration /// parts, which doesn't depend on anything other than the configuration
/// information in the object itself. (For compositions that can change /// information in the object itself. (For compositions that can change
@ -328,7 +331,7 @@ abstract class StatelessWidget extends Widget {
Widget build(BuildContext context); Widget build(BuildContext context);
/// Trampoline to make the [build] closure library-accessible. /// Trampoline to make the [build] closure library-accessible.
Widget _build(BuildContext context) => build(context); _BuildFunction get _build => build;
} }
/// StatefulWidgets provide the configuration for /// StatefulWidgets provide the configuration for
@ -488,7 +491,7 @@ abstract class State<T extends StatefulWidget> {
Widget build(BuildContext context); Widget build(BuildContext context);
/// Trampoline to make the [build] closure library-accessible. /// Trampoline to make the [build] closure library-accessible.
Widget _build(BuildContext context) => build(context); _BuildFunction get _build => build;
/// Called when an Inherited widget in the ancestor chain has changed. Usually /// Called when an Inherited widget in the ancestor chain has changed. Usually
/// there is nothing to do here; whenever this is called, build() is also /// there is nothing to do here; whenever this is called, build() is also