Can Increaser be an implementation of Sender? How does Increaser differ from Sender logically?

In Go, the Sender interface typically defines behavior related to sending data, for example, the method Send(data []byte) error. Increaser, judging by the name, most likely represents a component that increases or modifies data, rather than sending it.

Logically, Sender is responsible for communication — transmitting data somewhere (for example, to a network, channel, or file), while Increaser is responsible for changing or processing data.

Can Increaser implement Sender? Theoretically — yes, if it implements all methods of the Sender interface. But from an architectural and logical perspective, this would be unclear and could lead to confusion, as the responsibilities of the components are different. It is better to separate responsibilities: Increaser — data processing, Sender — data sending.

Example of the Sender interface and Increaser structure:

// Sender is responsible for sending data
type Sender interface {
    Send(data []byte) error
}

// Increaser increases a numeric value
 type Increaser struct {
    value int
}

func (inc *Increaser) Increase() {
    inc.value++
}

// If Increaser implements Send, it becomes a Sender
func (inc *Increaser) Send(data []byte) error {
    // implementation of sending
    return nil
}

But it is better to separate these roles for architectural clarity.