lib/command/hash.js
function hlen(key, req) {
  var val = this.getKey(key, req);
  if(!val) return 0;
  return val.hlen();
}
function hlen(key, req) {
  var val = this.getKey(key, req);
  if(!val) return 0;
  return val.hlen();
}
function hlen ( key , req ) { var val = this . getKey ( key , req ) ; if ( ! val ) return 0 ; return val . hlen ( ) ; }
Get the number of fields in a hash.
Get the number of fields in a hash .