ft: 简化一下代码

c_src/eNifLock/eNifLock.cc

@@ -26,11 +26,7 @@ bool lockOne(ErlNifEnv *env, ErlNifPid *ThePid, int KeyIx, uint64_t Val){
         if (enif_is_process_alive(env, ThePid)){
             return false;
         }else{
-            if (LockSlot[KeyIx].compare_exchange_strong(Expected, Val)){
-                return true;
-            }else{
-                return false;
-            }
+            return LockSlot[KeyIx].compare_exchange_strong(Expected, Val);
         }
     }
 }
@@ -42,11 +38,7 @@ ERL_NIF_TERM tryLock(ErlNifEnv *env, int, const ERL_NIF_TERM argv[]){
     enif_self(env, &ThePid);
     uint64_t Val = (uint64_t)(ThePid.pid);
 
-    if (lockOne(env, &ThePid, KeyIx, Val)){
-        return atomTrue;
-    }else{
-        return atomFalse;
-    }
+    return lockOne(env, &ThePid, KeyIx, Val) ? atomTrue : atomFalse;
 }
 
 ERL_NIF_TERM tryLocks(ErlNifEnv *env, int, const ERL_NIF_TERM argv[]){
@@ -82,11 +74,7 @@ ERL_NIF_TERM releaseLock(ErlNifEnv *env, int, const ERL_NIF_TERM argv[]){
     enif_self(env, &ThePid);
     uint64_t Expected = (uint64_t)(ThePid.pid);
 
-    if (LockSlot[KeyIx].compare_exchange_strong(Expected, 0)){
-        return atomTrue;
-    }else{
-        return atomFalse;
-    }
+    return LockSlot[KeyIx].compare_exchange_strong(Expected, 0) ? atomTrue : atomFalse;
 }
 
 ERL_NIF_TERM releaseLocks(ErlNifEnv *env, int, const ERL_NIF_TERM argv[]){