code: function toNumber(value) {
  	  if (typeof value == 'number') {
  	    return value;
  	  }
  	  if (isSymbol$3(value)) {
  	    return NAN;
  	  }
  	  if (isObject$4(value)) {
  	    var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
  	    value = isObject$4(other) ? (other + '') : other;
  	  }
  	  if (typeof value != 'string') {
  	    return value === 0 ? value : +value;
  	  }
  	  value = value.replace(reTrim, '');
  	  var isBinary = reIsBinary.test(value);
  	  return (isBinary || reIsOctal.test(value))
  	    ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
  	    : (reIsBadHex.test(value) ? NAN : +value);
  	}
docs: Converts `value` to a number.
  
  @static
  @memberOf _
  @since 4.0.0
  @category Lang
  @param {*} value The value to process.
  @returns {number} Returns the number.
  @example
  
  _.toNumber(3.2);
  // => 3.2
  
  _.toNumber(Number.MIN_VALUE);
  // => 5e-324
  
  _.toNumber(Infinity);
  // => Infinity
  
  _.toNumber('3.2');
  // => 3.2