Golang

Substrings are a part of a string. Creating it from a string is really easy in Go. This post covers the best possible ways to generate substring from a string. Get a single character from a string Getting a single character can be done using simple indexing. Here is an example. Remember to convert it […]

The generation of random strings is an important part of many different algorithms. This post aims to provide ways to generate random string in Golang. The naive approach This approach simply takes a string consisting of each letter and then returns a string by randomly selecting a letter from it. This is one of the

The math package in Go contains entirely of many math functions that can be used to do different things. Here are the main math functions that are used frequently. Regular math functions The most common math functions are as follows. Most of the functions work with float64 type here. We need to import the package

Go contains a scanner package that can be used to tokenize any source code written in Go. This post will provide an outline of how to use the scanner package in Go. What is tokenization? Tokenization is the method a source code is parsed to different tokens or identifiers. It is an important step used

Integers and strings are converted to each other on many different occasions. This post will provide the ways we can convert an integer to a string in Go. The naive typecasting We may try doing a simple type conversion using the string() function to convert an integer to a string. It will work and produce

String and integer are converted at times when needed and it is one of the most common forms of type conversion that happens in programming. In this post, we will cover string to integer conversion in Golang. Required imports The strconv package is required for this conversion. So we need to import it. The strconv

Code coverage is the way of determining how much of the code is actually covered through the tests. This metric is extremely useful in determining what other tests need to be written. This post will explore code coverage in Golang. What is code coverage? Code coverage is the way to determine the test coverage of

Go offers benchmarking via the testing package. In this post, we will try doing simple benchmarks to see how it works. What is a Benchmark? A benchmark by the dictionary definition is a standard, with which the same type of things may be compared. In programming, benchmark tests the time of execution for an operation.

Unit testing is essential when creating software. It tests each component one after another but does not test it entirely. In this post, we will use the testing package to do some unit testing in Go. What is testing? Testing is when we want to check the correctness of our code. It’s a really important

Go has support for first-class functions, which means the functions can be used pretty much everywhere. This creates a new property for the function to become aware of its surroundings. This property is called the closure property. What is Closure in Golang? Closure occurs when an anonymous function in Go has access to its surroundings.