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coerce 

        # Integer.coerce

(from ruby core)
---
    big.coerce(numeric)  ->  array

---

Returns an array with both a `numeric` and a `big` represented as Bignum
objects.

This is achieved by converting `numeric` to a Bignum.

A TypeError is raised if the `numeric` is not a Fixnum or Bignum type.

    (0x3FFFFFFFFFFFFFFF+1).coerce(42)   #=> [42, 4611686018427387904]

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