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feat(PocomathInstance): Add importDependencies to follow the dependency graph

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Glen Whitney 2022-07-22 19:40:29 -07:00
parent 0fba6544b4
commit e48d927b5f
2 changed files with 54 additions and 1 deletions
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16
test/custom.mjs
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@ -6,7 +6,9 @@ import * as numberAdd from '../src/number/add.mjs'
import * as complex from '../src/complex/all.mjs'
import * as complexAdd from '../src/complex/add.mjs'
import * as complexNegate from '../src/complex/negate.mjs'
import * as complexComplex from '../src/complex/complex.mjs'
import * as concreteSubtract from '../src/generic/subtract.concrete.mjs'
import * as genericSubtract from '../src/generic/subtract.mjs'
import extendToComplex from '../src/complex/extendToComplex.mjs'
const bw = new PocomathInstance('backwards')
@ -62,4 +64,18 @@ describe('A custom instance', () => {
ok.install(concreteSubtract)
assert.strictEqual(ok.subtract(7, 5), 2)
})
it("can load generics and then import their dependences", async function () {
const chase = new PocomathInstance('Chase Dependencies')
chase.install(genericSubtract)
chase.install(complexComplex) // for convenience to build complex numbers
await chase.importDependencies(['bigint', 'complex'])
/* Now we have an instance that supports subtraction for Gaussian
integers.
*/
assert.deepStrictEqual(
chase.subtract(chase.complex(3n, 2n), chase.complex(2n, 5n)),
math.complex(1n, -3n))
})
})