<ul><li>The Go programming language often uses the underscore (_) as a placeholder for various purposes, but using it as a field within a struct is less common.</li><li>Adding an underscore (_) field in a struct enforces named field initialization, preventing the use of positional initialization.</li><li>Positional initialization with an underscore (_) field will result in compilation errors due to too few values or implicit assignment to an unexported field.</li><li>By using named field initialization, code readability improves, error prevention increases, and struct initialization becomes more explicit in Go programming.</li></ul>

Go Struct: What Happens When You Add a '_' Field?

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