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You are here		cep.dev For Go builtins, nil and empty read the same · Jack's home on the web
\|	\|	blog.percywegmann.com Pass Go Structs and Arrays as Pointers, Everything Else as Values	12.2 parsecs away Travel
\|	\|	Don't Overthink It	12.2 parsecs away Travel
\|	\|	aarol.dev Useful functions when doing Advent of Code in Go - aarol.dev	12.9 parsecs away Travel
\|	\|	Advent of Code is an annual set of Christmas-themed computer programming challenges that follow an Advent calendar. It has been running since 2015. The ...	12.9 parsecs away Travel
\|	\|	antonz.org Built-in functions in Go 1.21	9.5 parsecs away Travel
\|	\|	Computing the smallest/largest value and clearing containers.	9.5 parsecs away Travel
\|	\|	www.integralist.co.uk Go's typed nils are gonna get yer ? Mark McDonnell	43.8 parsecs away Travel
\|		The following code doesn't do what you might expect: package main import "fmt" func main() { var i impl fmt.Println("i == nil:", i == nil) what(i) } type impl struct{} func (i impl) do() {} func what(i interface{ do() }) { fmt.Println("i == nil:", i == nil) } If you expected the what function to print i == nil: true, then keep reading... Typed Nils The behavior observed is due to the way interfaces and nil values interact in Go.	43.8 parsecs away Travel