Luxar Viewer API Documentation - v2026.9.22
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utils/result
isErr
Function isErr
isErr
<
T
,
E
>
(
r
:
Result
<
T
,
E
>
)
:
r
is
Err
<
E
>
Type guard for a failed result.
Type Parameters
T
E
Parameters
r
:
Result
<
T
,
E
>
Returns
r
is
Err
<
E
>
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Luxar Viewer API Documentation - v2026.9.22
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Type guard for a failed result.