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TypeScript Extended Linq
TypeScript Extended Linq
groupBy
Function groupBy
groupBy
<
TSource
,
TKey
>
(
src
:
Iterable
<
TSource
>
,
keySelector
:
(
item
:
TSource
)
=>
TKey
,
equalityComparer
?:
EqualityComparer
<
TKey
>
,
)
:
IEnumerable
<
IGrouping
<
TKey
,
TSource
>
>
Type Parameters
TSource
TKey
Parameters
src
:
Iterable
<
TSource
>
keySelector
:
(
item
:
TSource
)
=>
TKey
Optional
equalityComparer
:
EqualityComparer
<
TKey
>
Returns
IEnumerable
<
IGrouping
<
TKey
,
TSource
>
>
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