Created
November 23, 2017 18:18
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Simply toggle A to B and B to A.
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| /** | |
| * A => B | B => A | |
| * @param {(A|B)} value | |
| * @param {A} a | |
| * @param {B} b | |
| * @template A, B | |
| * @returns {(A|B)} | |
| */ | |
| const Toggle = (a = true, b = false) => value => value === a ? b : a | |
| // usage | |
| const sortment = Toggle('ascending', 'descending')(sortment) |
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