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Function: assertNever()

assertNever(value: never, context: string): never

Defined in: shared/utils/assertions.ts:54

Helper for enforcing exhaustive checks in discriminated unions.

Parameters​

value​

never

Value that should be impossible at this point in the control flow.

context​

string = "exhaustive-check"

Optional label describing the check site.

Returns​

never

Throws​

Always throws an error including a description of the unexpected value.