Steph Curry already is familiar with Cooper Flagg, as the former No. 1 overall draft pick attended Curry’s camp as a top high school prospect.But Thursday night was the first time the Warriors superstar played against Flagg in an NBA game during Golden State’s 126-116 win over Flagg’s Dallas Mavericks on Christmas Day at Chase Center.And it’s safe to say Curry was impressed.“Just a true hooper,” Curry said of Flagg in a postgame interview with ESPN’s Malika Andrews. “Competitor. You forget how young he is. Just his presence out there on the court. The future is bright. I’m glad he got this experience, his first year to understand what the bright lights feel like. “The league is in good hands.”Wow. That’s certainly high praise for a rookie from one of the best to ever play the game.Flagg finished Thursday’s contest with a game-high 27 points on 13-of-21 shooting from the field and 1 of 3 from 3-point range, with six rebounds, five assists and one block in 36 minutes.In 31 games so far this season, Flagg is averaging 19.4 points on nearly 50 percent shooting, with 6.4 rebounds and 3.8 assists.There...