package clock

import "time"

// Clock exposes basic time operations, primarily for test overrides.
type Clock interface {
	Now() time.Time
}

// System implements Clock using the system wall clock.
type System struct{}

// Now returns the current UTC time.
func (System) Now() time.Time {
	return time.Now().UTC()
}

// NewSystem returns a system-backed clock instance.
func NewSystem() Clock {
	return System{}
}