caseOf ()
case
Of
<
T
,
R
>
(
onSome
)
:
(
(
onNone
)
=>
(
(
x
)
=>
R
)
)
Type Parameters
T
R
Parameters
onSome
:
(
(
x
)
=>
R
)
(
x
)
:
R
Parameters
x
:
T
Returns
R
Returns
(
(
onNone
)
=>
(
(
x
)
=>
R
)
)
(
onNone
)
:
(
(
x
)
=>
R
)
Parameters
onNone
:
(
(
)
=>
R
)
(
)
:
R
Returns
R
Returns
(
(
x
)
=>
R
)
(
x
)
:
R
Parameters
x
:
Opt
<
T
>
Returns
R
See
Opt.caseOf
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See
Opt.caseOf