flatMapTo
@JvmName
(
"flatMapIterableTo"
)
inline
fun
<
T
,
R
,
C
:
MutableCollection
<
in
R
>
>
Sequence
<
T
>
.
flatMapTo
(
destination
:
C
,
transform
:
(
T
)
->
Iterable
<
R
>
)
:
C
(source)
inline
fun
<
T
,
R
,
C
:
MutableCollection
<
in
R
>
>
Sequence
<
T
>
.
flatMapTo
(
destination
:
C
,
transform
:
(
T
)
->
Sequence
<
R
>
)
:
C
(source)
Appends all elements yielded from results of transform function being invoked on each element of original sequence, to the given destination .
The operation is terminal .