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Advanced Techniques in Go Programming

Creating Constraints

Explore how to create and apply constraints in Go generics by defining interfaces that specify supported data types. Understand how to enforce type safety in generic functions and handle errors when passing mismatched types.

We'll cover the following...

This lesson presents an example where we define the data types that are allowed to be passed as parameters to a generic function using an interface.

Coding example

The code of numeric.go is as follows:

Go (1.19.0)
package main
import (
	"fmt"
)
type Numeric interface {
    int | int8 | int16 | int32 | int64 |float64
}
...