⚡ 重写select逻辑，benchmark结果看来提升了225倍

tests/test_select.py

@@ -1,3 +1,4 @@
+import time
 from multiprocessing import Process
 
 from magicoca import Chan, select
@@ -13,7 +14,6 @@ def sp2(chan: Chan[int]):
         chan << i << i * 3
 
 
-
 def rp(chans: list[Chan[int]]):
     rl = []
     for t in select(*chans):
@@ -22,21 +22,23 @@ def rp(chans: list[Chan[int]]):
             break
     print(rl)
 
+def send_process(chan: Chan[int], _id: int):
+    while True:
+        chan << _id
+        time.sleep(2)
+
+def recv_process(chan_list: list[Chan[int]]):
+    for t in select(*chan_list):
+        print(t)
+
 
 class TestSelect:
     def test_select(self):
-        chan1 = Chan[int]()
-        chan2 = Chan[int]()
-
-        print("Test Chan Select")
-
-        p1 = Process(target=sp1, args=(chan1,))
-        p2 = Process(target=sp2, args=(chan2,))
-        p3 = Process(target=rp, args=([chan1, chan2],))
-        p3.start()
-        p1.start()
-        p2.start()
-
-        p1.join()
-        p2.join()
-        p3.join()
+        chan_list = []
+        for i in range(10):
+            chan = Chan[int]()
+            chan_list.append(chan)
+            p = Process(target=send_process, args=(chan, i))
+            p.start()
+        p = Process(target=recv_process, args=(chan_list,))
+        p.start()