Category: Tech

This is the  chapter 26 of the golang comprehensive tutorial series. Refer to this link for other chapters of the series – Golang Comprehensive Tutorial Series Next Tutorial – Error -Part 2Previous Tutorial – Select Statement…

Overview Underscore (‘_’) operator can be used to ignore the error returned from a function call.  Before we see a program it’s important to note that error should never be ignored. It…

Wrapping of error In go, error can wrap another error as well.  What does the wrapping of error mean? It means to create a hierarchy of errors in which a  particular instance…

Overview There are two ways of getting the underlying type Using the .({type}) assert If the assert succeeds then it will return the corresponding error otherwise it will panic. Below is the…

Overview First of all, what is meant by equality of the error?  As you already know that error is represented by the error interface in go. In go, two interfaces are equal…

For range loop can be used to receive data from the channel until it is closed. Do note that for- range loop will keep receiving from the channel the only way for range…

Overview For range loop can be used to receive data from the channel until it is closed. Do note that for- range loop will keep receiving from the channel the only way for…

Overview Below operations/functions are applicable for channel in golang Send the data to the channel Receive the data from the  channel Close a channel Length of a channel using len() function Capacity…

Overview Length, as well as capacity only, applies to the buffered channel.  The length of a channel is the number of elements that are already there in the channel whereas the capacity…

Overview It is possible to create bidirectional as well as uni-directional channels in golang. A channel can be created to which we can only send data, as well as a channel, can be…