code: function krillPrimPrintRelLDAP(pred, key)
  {
  	mod_assert.ok(typeof (krillOps[key].names.ldap) === 'function' ||
  		typeof (krillOps[key].names.ldap) === 'string',
  			'LDAP name must be a function or a string');
  
  	var out;
  	var expressionBuilder;
  
  	if (typeof (krillOps[key].names.ldap) === 'function') {
  		expressionBuilder = krillOps[key].names.ldap;
  		out = expressionBuilder(pred[key][0], pred[key][1]);
  	} else {
  		out = '(' + pred[key][0] + krillOps[key].names.ldap +
  			pred[key][1] + ')';
  	}
  
  	return (out);
  }
docs: /*
  Prints out the value of a relational predicate as a LDAP filter.
  This should print as:
  <field><operator><constant>
  
  Input:
  - pred: The predicate to print
  - key: The key for the predicate
  
  Output:
  - Returns the string representation of the specified predicate as a
  component of an LDAP search filter.