lib/command/string.js
function incrby(key, amount, req) {
  var val = utils.strtoint(this.getKey(key, req));
  amount = utils.strtoint(amount);
  val += amount;
  this.setKey(key, val, undefined, undefined, undefined, req);
  return val;
}
function incrby(key, amount, req) {
  var val = utils.strtoint(this.getKey(key, req));
  amount = utils.strtoint(amount);
  val += amount;
  this.setKey(key, val, undefined, undefined, undefined, req);
  return val;
}
function incrby ( key , amount , req ) { var val = utils . strtoint ( this . getKey ( key , req ) ) ; amount = utils . strtoint ( amount ) ; val += amount ; this . setKey ( key , val , undefined , undefined , undefined , req ) ; return val ; }
Increment a key by an amount.
Increment a key by an amount .