What tools and techniques do you use to find and fix bugs in Go programs?

The following tools and techniques are commonly used for finding and fixing bugs in Go programs:

• Built-in testing package — for writing unit tests that help identify errors early.

• Delve debugger (dlv) — allows running the program in debug mode, setting breakpoints, stepping through code, and inspecting variable values.

• Logging with the standard log package or third-party libraries — helps track the program's behavior during execution.

• Profiling (pprof) — for identifying bottlenecks and performance issues.

• Using go vet and golint — static code analysis to find potential errors and style inconsistencies.

• Error handling — in Go, it is customary to explicitly check errors after function calls, which helps quickly localize problems.

Example of a simple test:

func TestAdd(t *testing.T) {
    result := Add(2, 3)
    if result != 5 {
        t.Errorf("Expected 5, got %d", result)
    }
}

Using these tools and approaches, you can effectively find and fix bugs in Go programs.