removed all C-style casts

src/enemies/leprechaun.cc

@@ -0,0 +1,32 @@
+#include "leprechaun.h"
+
+#include "../constants.h"
+#include "../player.h"
+
+leprechaun::leprechaun(RNG *rng, const feature enabled_features,
+                       const position &pos,
+                       const int gen_room_num):
+        enemy_base{rng, enabled_features, rleprechaun, pos, gen_room_num, "l"} {}
+
+const char *leprechaun::get_race_name() const {
+        return "Leprechaun";
+}
+
+long_result leprechaun::attack(character *ch) {
+        long_result res;
+
+        if (static_cast<player_base * >(ch)->get_gold() < STEAL_GOLD) {
+                res = ch->get_hit(this, BOOSTED_ATK, base_hit_rate);
+                res.msg = "l is angered because PC is too poor. " + res.msg;
+        } else {
+                res = ch->get_hit(this, ATK, base_hit_rate);
+
+                if (res.res == hit) {
+                        res.msg += "l steals " + std::to_string(STEAL_GOLD) +
+                                   " pieces of gold from PC. ";
+                        static_cast<player_base *>(ch)->add_gold(-STEAL_GOLD);
+                }
+        }
+
+        return res;
+}