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import { curry } from './curry.js'
function onceFn(fn, context){  let result
  return function (){    if (fn){      result = fn.apply(context || this, arguments)      fn = null    }
    return result  }}
export function once(fn, context){  if (arguments.length === 1){    const wrap = onceFn(fn, context)
    return curry(wrap)  }
  return onceFn(fn, context)}