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Mis vahe on tühja liidese deklaratsioonil ja tüübi aliasil programmeerimiskeeltes?
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In Go, the empty interface (interface{}) is a type that can hold a value of any type, since all types implement the empty interface. It is used for storing data of unknown type.
Type alias (type Alias = OriginalType) is simply another name for an existing type, not creating a new type, but allowing the use of a more convenient or understandable name.
Main differences:
- The empty interface is a universal container for any values.
- The type alias is a synonym for the existing type, not changing behavior.
Example:
var x interface{} = 42 // x can be of any type
type MyInt = int // MyInt is an alias for int
var y MyInt = 10