type-plus
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    Type Alias IsNotNumeric<T, $O>

    IsNotNumeric: $SelectInvert<T, number | bigint, $O>

    Is T not numeric.

    type R = IsNotNumeric<1> // false
    type R = IsNotNumeric<1.1> // false

    type R = IsNotNumeric<string> // true
    type R = IsNotNumeric<unknown> // true

    Type Parameters