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h_utils package
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control_flow/optional/optional.dart
Optional<T>
filter abstract method
filter abstract method
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filter
abstract method
Optional
<
T
>
filter
(
Predicate
<
T
>
predicate
)
Implementation
Optional<T> filter(final Predicate<T> predicate);
h_utils package
documentation
control_flow/optional/optional
Optional<T>
filter abstract method
Optional class