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This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 1,000,000+ packages pre-installed, including @extra-iterable/scan-until-right with all npm packages installed. Try it out:

const iterable = require("extra-iterable"); var x = [1, 1, 2, 2, 3, 3, 4, 4]; iterable.scanUntilRight(x, v => v % 3 === 0); iterable.scanUntilRight(x, v => v % 2 === 0); iterable.scanUntilRight(x, v => v % 6 === 0);

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@extra-iterable/scan-until-right v2.5.22

Scans from right, until a test passes.

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