flatMap ()
flat
Map
<
T
,
U
>
(
f
)
:
(
(
x
)
=>
U
[]
)
Same as
Opt.flatMap
, but also supports arrays.
Type Parameters
T
U
Parameters
f
:
(
(
_
)
=>
readonly
U
[]
)
(
_
)
:
readonly
U
[]
Parameters
_
:
T
Returns
readonly
U
[]
Returns
(
(
x
)
=>
U
[]
)
(
x
)
:
U
[]
Parameters
x
:
readonly
T
[]
Returns
U
[]
See
Opt.flatMap
flat
Map
<
T
,
U
>
(
f
)
:
(
(
x
)
=>
Opt
<
U
>
)
Same as
Opt.flatMap
, but also supports arrays.
Type Parameters
T
U
Parameters
f
:
(
(
_
)
=>
Opt
<
U
>
)
(
_
)
:
Opt
<
U
>
Parameters
_
:
T
Returns
Opt
<
U
>
Returns
(
(
x
)
=>
Opt
<
U
>
)
(
x
)
:
Opt
<
U
>
Parameters
x
:
Opt
<
T
>
Returns
Opt
<
U
>
See
Opt.flatMap
Back to index
Same as Opt.flatMap, but also supports arrays.