Welcome to tutorial no. 14 in Golang tutorial series. Strings deserve a special mention in Go as they are different in implementation when compared to other languages. What is a String? A string is a slice of bytes in Go. Strings can be created by enclosing a set of characters inside double quotes " ". …

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Welcome to tutorial no. 13 in Golang tutorial series. What is a map? A map is a builtin type in Go that is used to store key-value pairs. Let’s take the example of a startup with a few employees. For simplicity, let’s assume that the first name of all these employees is unique. We are looking for a data …

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Welcome to part 12 of our Golang tutorial series. What is a variadic function? Functions in general accept only a fixed number of arguments. A variadic function is a function that accepts a variable number of arguments. If the last parameter of a function definition is prefixed by ellipsis …, then the function …

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Welcome to the part 11 of Golang tutorial series. In this tutorial, we will learn about Arrays and Slices in Go. Arrays An array is a collection of elements that belong to the same type. For example, the collection of integers 5, 8, 9, 79, 76 forms an array. Mixing values of different types, for example, an array that …

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This is tutorial number 10 in Golang tutorial series. What is a switch statement? A switch is a conditional statement that evaluates an expression and compares it against a list of possible matches and executes the corresponding block of code. It can be considered as an idiomatic way of replacing complex if else …

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Welcome to tutorial number 9 in Golang tutorial series. A loop statement is used to execute a block of code repeatedly. for is the only loop available in Go. Go doesn’t have while or do while loops which are present in other languages like C. for loop syntax for initialisation; condition; post { } The …

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Welcome to tutorial number 8 of our Golang tutorial series. if is a statement that has a boolean condition and it executes a block of code if that condition evaluates to true. It executes an alternate else block if the condition evaluates to false. In this tutorial, we will look at the various syntaxes and ways of …

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This tutorial is now deprecated. Please click here for the updated version. Welcome to tutorial number 7 in Golang tutorial series. What are packages and why are they used? So far we have seen go programs which have only one file which has a main function with a couple of other functions. In real world scenarios this …

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Welcome to tutorial no. 6 in our Golang tutorial series. What is a function? A function is a block of code that performs a specific task. A function takes an input, performs some calculations on the input, and generates an output. Function declaration The syntax for declaring a function in go is 1func …

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Welcome to tutorial no. 5 in our Golang tutorial series. What is a constant? The term constant in Go is used to denote fixed values such as 195 2"I love Go" 367.89 and so on. Declaring a constant The keyword const is used to declare a constant. Let’s see how to declare a constant using an example. …

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