1  var isSymbol = require('./isSymbol');
 2  
 3  /** Used as references for various `Number` constants. */
 4  var NAN = 0 / 0;
 5  
 6  /**
 7   * The base implementation of `_.toNumber` which doesn't ensure correct
 8   * conversions of binary, hexadecimal, or octal string values.
 9   *
10   * @private
11   * @param {*} value The value to process.
12   * @returns {number} Returns the number.
13   */
14  function baseToNumber(value) {
15    if (typeof value == 'number') {
16      return value;
17    }
18    if (isSymbol(value)) {
19      return NAN;
20    }
21    return +value;
22  }
23  
24  module.exports = baseToNumber;