Go

This snippet demonstrates how to use the 'for...range' construct in Go to iterate over a slice, accessing both the index and value of each element.

This snippet demonstrates how to create and use internal packages in Go to control the visibility of code within a larger project. Internal packages are a powerful tool for encapsulating...

This example demonstrates the fundamental usage of the `reflect` package in Go for inspecting and modifying variables at runtime. It covers getting the type and value of a variable, checking its kind,...

Learn how to properly close channels in Go to signal completion and prevent deadlocks in concurrent programs. This example demonstrates the usage of the close function and how to handle closed...

This code demonstrates how to define and use nested structs in Go, showcasing the composition of structs to represent complex data structures.

This example demonstrates how to use the empty interface (interface{}) in Go. The empty interface is a powerful concept that allows you to write functions and data structures that can work with values...

Demonstrates the use of time.Ticker and time.Timer in Go for scheduling tasks at regular intervals and after a specific delay.

Explore Go's type switches for handling variables of different types within a single code block. This snippet demonstrates how to effectively use type switches to perform different actions based on...

This snippet demonstrates how to add new key-value pairs to a Go map and how to remove existing entries. Maps are a fundamental data structure in Go, used for storing collections of key-value pairs.

This snippet demonstrates table-driven testing, a popular and efficient technique for writing unit tests in Go when you have multiple test cases for the same function.

This snippet demonstrates how to create a simple HTTP server in Go that listens on a specified port and responds with a 'Hello, World!' message. It's a fundamental building block for web applications.

Dot imports in Go allow you to import a package's contents directly into the current namespace. This means you can use the imported package's functions and variables without explicitly qualifying them...

This snippet demonstrates how to influence Go's garbage collector behavior using the GOGC environment variable. It highlights how adjusting GOGC can affect memory usage and garbage collection...

This snippet demonstrates how to check if a file exists in Go using the os.Stat function. We'll explore different approaches and considerations when dealing with file existence checks.

This example demonstrates how to use channels to communicate between goroutines and synchronize their execution.

This example demonstrates how variable shadowing works in Go. Shadowing occurs when a variable is declared in a scope that is nested within another scope where a variable with the same name is already...

This snippet demonstrates the fundamental concept of sending and receiving data through channels in Go. Channels are a powerful feature for concurrent programming, enabling goroutines to communicate...

This example demonstrates how to use Go modules to vendor dependencies in a Go project. Vendoring copies the project's dependencies into a local vendor directory within the project, ensuring that the...

This tutorial demonstrates the use of increment (++) and decrement (--) operators in Go. These operators provide a concise way to increase or decrease the value of a variable by 1. Understand their...

This snippet demonstrates how Go achieves interface satisfaction implicitly. A type automatically satisfies an interface if it implements all the methods defined in the interface. No explicit...

This code demonstrates how package scope works in Go. Variables and constants declared at the package level are accessible throughout the entire package.

This snippet demonstrates fundamental arithmetic operators (+, -, *, /, %) in Go, covering integer and floating-point number calculations. This provides a clear understanding of how to perform basic...

This snippet demonstrates how to define and use structs in Go, showcasing different field types and initialization methods. Structs are fundamental building blocks for creating custom data types in...

This snippet demonstrates how to write and run benchmarks in Go to measure the performance of a function. Benchmarking is crucial for identifying performance bottlenecks and optimizing code.

This snippet expands on the basic server example by demonstrating how to handle different routes (URLs) within your application. It introduces the concept of using multiple handlers to respond to...

This example demonstrates how to compose interfaces in Go to create more complex and specialized interfaces. Interface composition allows you to combine the behaviors of multiple interfaces into a...

This snippet demonstrates how to define a simple function in Go, including specifying parameters and return values. It covers the fundamental syntax and provides a clear example.

This snippet demonstrates how to use the `recover` function in Go to gracefully handle panics and prevent program termination.

Go functions can return multiple values, offering a clean and efficient way to handle errors or return related data. This approach avoids the need for complex struct definitions when multiple return...

This snippet demonstrates how to read data from standard input (os.Stdin) in Go. It covers reading line by line and reading until EOF, providing flexibility for different input scenarios. This is...