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JavaScript's functional programming helper library.

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import restArguments from './restArguments.js';
import flatten from './_flatten.js';
import bind from './bind.js';

// Bind a number of an object's methods to that object. Remaining arguments
// are the method names to be bound. Useful for ensuring that all callbacks
// defined on an object belong to it.
export default restArguments(function(obj, keys) {
  keys = flatten(keys, false, false);
  var index = keys.length;
  if (index < 1) throw new Error('bindAll must be passed function names');
  while (index--) {
    var key = keys[index];
    obj[key] = bind(obj[key], obj);
  }
  return obj;
});