Enum ProjectStep

pub enum ProjectStep<'gc, C: CustomTypes<S>, S: System<C>> {
    Idle,
    Yield,
    Normal,
    ProcessTerminated {
        result: Value<'gc, C, S>,
        proc: Process<'gc, C, S>,
    },
    Error {
        error: ExecError<C, S>,
        proc: Process<'gc, C, S>,
    },
    Watcher {
        create: bool,
        watcher: Watcher<'gc, C, S>,
    },
    Pause,
}

Result of stepping through the execution of a Project.

Variants

Idle

There were no running processes to execute.

Yield

The project had a running process, which yielded.

Normal

The project had a running process, which did any non-yielding operation.

ProcessTerminated

The project had a running process which terminated successfully. This can be though of as a special case of ProjectStep::Normal, but also returns the result and process so it can be queried for state information if needed.

Fields

result: Value<'gc, C, S>

proc: Process<'gc, C, S>

Error

The project had a running process, which encountered a runtime error. The dead process is returned, which can be queried for diagnostic information.

Fields

error: ExecError<C, S>

proc: Process<'gc, C, S>

Watcher

The project had a running process that requested to create or destroy a watcher. See ProcessStep::Watcher for more details.

Fields

create: bool

watcher: Watcher<'gc, C, S>

Pause

The project had a running process that requested to pause execution of the (entire) project. See ProcessStep::Pause for more details.