types-kit.diff.md

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Diff type

Set difference of union and intersection of given union types A and B.

Signature:

export type Diff<A, B> = StrictExclude<A | B, A & B>

References: StrictExclude

Example

// Expect: '2' | '3'
type Foo = Diff<'1' | '2', '1' | '3'>