what is the usage of “~>” in cocoapods

Question

I want to know what the \"~>\" is used for,cause I find they are the same below:

pod \'AFNetworking\',\'~> 2.0.3\'

pod \'AFNetworking\',\'2.0.3\'
         


        

Answer 1

optimistic operator ~>:

'~> 0.1.2' Version 0.1.2 and the versions up to 0.2, not including 0.2 and higher
'~> 0.1' Version 0.1 and the versions up to 1.0, not including 1.0 and higher
'~> 0' Version 0 and higher, this is basically the same as not having it.
For more information, regarding versioning policy, [see][1]: