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computed_collections package
documentation
computedmap.dart
ComputedMap<K, V>
groupBy<K2> abstract method
groupBy<K2> abstract method
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groupBy<
K2
>
abstract method
ComputedMap
<
K2
,
ComputedMap
<
K
,
V
>
>
groupBy
<
K2
>(
K2
key
(
K
key
,
V
value
)
)
Implementation
ComputedMap<K2, ComputedMap<K, V>> groupBy<K2>( K2 Function(K key, V value) key);
computed_collections package
documentation
computedmap
ComputedMap<K, V>
groupBy<K2> abstract method
ComputedMap class