Zero Values

Zero values

Variables declared without an explicit initial value are given their zero value.

Type	Zero Value
Integer	0
Floating point	0.0
Boolean	false
String	“”
Pointer	nil
Interface	nil
Slice	nil
Map	nil
Channel	nil
Function	nil

Zero values of a struct

The elements of an array or struct will have its fields zeroed if no value is specified. This initialization is done recursively.

Hence, each element of such a variable or value (struct, in this case) is set to the zero value for its type.

References

• A Tour of Go - Zero values

• Geeks for Geeks - Zero value in Golang

• Stack Overflow - Struct's zero value