class Net::ReadAdapter

def call_block(str)

Experimental RBS support (using type sampling data from the type_fusion project). 

def call_block: (String str) -> Integer

This signature was generated using 1 sample from 1 application.

the block.
not Proc#call. You can see difference when using `break' in
This method is needed because @block must be called by yield, 
def call_block(str)
  yield str
end