Swift in the single mode

In the process of writing the code,We will meet when the need to ensure that only one instance of the global,This time use the singleton pattern。

Single mode--this ensures that only one instance of a class,And provide a global point of access to。

What about how to implement the singleton pattern? We take a look at the classic Java code,How to implement the singleton pattern。

We had a quick search on the Internet "java singleton pattern" will be able to find[……]

Click link to continue reading...