isNullableFilled

Type guard that checks that the nullable Either actually contains a value.

Interactive example

Syntax

function isNullableFilled<
	GenericInput extends unknown
>(
  input: GenericInput
): input is Extract<GenericInput, NullableFilled>;

Parameters

• input: Result of nullable.

Return value

true if the value is not null.

See also

• whenIsNullableFilled.
• isNullableEmpty.