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64-bit unsigned integer. Use toBigInt for values exceeding JS safe integer range. 
import * as Uint64 from 'voltaire-effect/primitives/Uint64'
import * as Schema from 'effect/Schema'
import { Effect } from 'effect'

// Schema
const value = Schema.decodeSync(Uint64.BigInt)(18446744073709551615n)

// Effect with arithmetic
const a = Effect.runSync(Uint64.from(10000000000000000000n))
const b = Effect.runSync(Uint64.from(5000000000000000000n))
const sum = Effect.runSync(Uint64.plus(a, b)) // 15000000000000000000n

​
API

FunctionReturns
toBigInt(v)bigint (lossless)
toNumber(v)number (may lose precision)
toHex(v)hex string
equals(a, b)boolean

​
Constants

MAX = 18446744073709551615n, MIN = 0n, ZERO, ONE