Enum SystemState

pub enum SystemState {
    Active,
    Inactive,
    Dead,
    Poisoned,
}

State of a system.

• Active - The system can be run.
• Inactive - The system cannot be run, but it can be reactivated.
• Dead - The system has been completely consumed. It cannot be reactivated.
• Poisoned - The system has panicked. It cannot be reactivated.

System state transitions are as follows.

From	To	Input action
	Inactive	A system is registered
Inactive	Active	A system is activated
Inactive	Dead	A system is unregistered
Inactive	Poisoned	Not allowed
Active	Inactive	A system is inactivated or expired
Active	Dead	A system is expired and it’s volatile
Active	Poisoned	A system panicked
Dead		A system is removed by client
Poisoned		A system is removed by client

Variants

Active

Inactive

Dead

Poisoned

Trait Implementations

impl Debug for SystemState

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.