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Solana JavaScript SDK
Solana JavaScript SDK
@solana/codecs
isNone
Function isNone
Whether the given
Option
is a
None
.
isNone
<
T
>
(
option
:
Option
<
T
>
)
:
option
is
Readonly
<
{
__option
:
"None"
}
>
Type Parameters
T
Parameters
option
:
Option
<
T
>
Returns
option
is
Readonly
<
{
__option
:
"None"
}
>
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Whether the given Option is a None.