我有两个功能;
foo ( A, B, C )
bar ( D, E, F )
我想 ;
| --------- |
foo foo
started finished
| ------- |
bar bar
started finished
| ------ |
^^^^^^^^^^
concatenate two list namely C and F
如何同步这两个功能以便按顺序工作?
你能举个例子吗?