“App” function returns a wrong output format

What is %V in Golang?

The verb %v (‘v’ for ‘value’) always formats the argument in its default form, just how Print or Println would show it. The special verb %T (‘T’ for ‘Type’) prints the type of the argument rather than its value. The examples are not exhaustive; see the package comment for all the details.

What is %s in string format?

%s specifically is used to perform concatenation of strings together. It allows us to format a value inside a string. It is used to incorporate another string within a string. It automatically provides type conversion from value to string.
 

What is string format in C#?

In C#, Format() is a string method. This method is used to replace one or more format items in the specified string with the string representation of a specified object.In other words, this method is used to insert the value of the variable or an object or expression into another string.
 

How do you handle errors in Golang?

The most common way to handle errors is to return the error type as the last return value of a function call and check for the nil condition using an if statement.

What is the := IN Go?

:= is the “short declaration form” for declaring and initializing variables. It does type inference on the value that you are assigning to set the variable’s type. If you attempt to assign with the short declaration form to the same variable in the same scope, the compiler will throw an error.
 

How to use %D in Golang?

Printf() Function in Golang With Examples – GeeksforGeeks.
Conversion Characters:

How to check variable type in Golang?

There are 3 ways to find the type of variables in Golang as follows:

1. Using reflect. TypeOf Function.
2. Using reflect. ValueOf. Kind() Function.
3. Using %T with Printf.

What are expressions in Golang?

The Golang spec uses those terms: Expressions: specifies the computation of a value by applying operators and functions to operands. Statements: control execution. Declarations (and scope): binds a non-blank identifier to a constant, type, variable, function, label, or package.

What does select {} do in Golang?

The select statement lets a goroutine wait on multiple communication operations. A select blocks until one of its cases can run, then it executes that case.