deno.land / x / rambda@v9.1.1 / source / unless.spec.js
123456789101112131415import { inc } from './inc.js'import { isNil } from './isNil.js'import { unless } from './unless.js'
test('happy', () => { const safeInc = unless(isNil, inc) expect(safeInc(null)).toBeNull() expect(safeInc(1)).toBe(2)})
test('curried', () => { const safeIncCurried = unless(isNil)(inc) expect(safeIncCurried(null)).toBeNull()})
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