Johnni Winther
236f3f820d
The handling of null shorting in the variable initializer interfered with the declaration of the variable, making subsequent flow potentially losing track of promotions. Closes #42504 Change-Id: Idb17920ffe8746983825714f76160abcca54751b Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/152760 Reviewed-by: Jens Johansen <jensj@google.com> Commit-Queue: Johnni Winther <johnniwinther@google.com>
39 lines
1.5 KiB
Plaintext
39 lines
1.5 KiB
Plaintext
library /*isNonNullableByDefault*/;
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import self as self;
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import "dart:core" as core;
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abstract class ImageStreamCompleter extends core::Object {
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synthetic constructor •() → self::ImageStreamCompleter
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: super core::Object::•()
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;
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abstract method addListener() → void;
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}
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class _LiveImage extends core::Object {
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static factory •(self::ImageStreamCompleter a) → self::_LiveImage
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return throw new core::UnimplementedError::•();
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}
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abstract class Foo extends core::Object {
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synthetic constructor •() → self::Foo
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: super core::Object::•()
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;
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abstract get _pendingImages() → dynamic;
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method putIfAbsent(core::Object key, () → self::ImageStreamCompleter loader) → self::ImageStreamCompleter? {
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assert(!key.{core::Object::==}(null));
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assert(!loader.{core::Object::==}(null));
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self::ImageStreamCompleter? result = (let final dynamic #t1 = this.{self::Foo::_pendingImages}.[](key) in #t1.{core::Object::==}(null) ?{dynamic} null : #t1.completer) as{TypeError,ForDynamic,ForNonNullableByDefault} self::ImageStreamCompleter?;
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if(!result.{core::Object::==}(null)) {
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return result{self::ImageStreamCompleter};
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}
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try {
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result = loader.call();
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self::_LiveImage::•(result{self::ImageStreamCompleter});
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}
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on core::Object catch(final core::Object error) {
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return null;
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}
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result{self::ImageStreamCompleter}.{self::ImageStreamCompleter::addListener}();
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return result{self::ImageStreamCompleter};
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}
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}
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static method main() → dynamic {}
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