22 lines
456 B
TypeScript
22 lines
456 B
TypeScript
type BinaryDigit = 0 | 1
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export interface Bit {
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value: BinaryDigit
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add: (other: Bit) => { ones: Bit, carry: Bit }
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}
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export default function bit(value: BinaryDigit): Bit {
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function add(other: Bit) {
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const result = (value + other.value)
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const ones = result % 2 as BinaryDigit
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const carry = result === 2 ? 1 : 0
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return { bit: bit(ones), carry: bit(carry) }
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}
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return {
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add,
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value
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}
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} |