NodeStatus

Enum NodeStatus 

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pub enum NodeStatus {
    Success,
    Failure,
    Running,
}
Expand description

Status returned by behavior nodes after each tick.

This follows the standard behavior tree status model with three states.

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Success

The behavior completed successfully.

For example:

  • A movement command reached its goal
  • An object was successfully detected
  • A message was successfully sent
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Failure

The behavior failed and cannot recover.

For example:

  • An object was not found after extensive searching
  • A connection could not be established
  • A safety constraint was violated

Note: Use this for logical failures, not exceptions. Throw errors for exceptional conditions.

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Running

The behavior is still executing and needs more ticks.

For example:

  • A robot is still moving to a goal
  • Waiting for a sensor reading
  • Processing a long-running computation

Implementations§

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impl NodeStatus

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pub fn is_complete(&self) -> bool

Returns true if the status indicates completion (Success or Failure).

§Example
use mecha10_behavior_runtime::NodeStatus;

assert!(NodeStatus::Success.is_complete());
assert!(NodeStatus::Failure.is_complete());
assert!(!NodeStatus::Running.is_complete());
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pub fn is_success(&self) -> bool

Returns true if the status is Success.

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pub fn is_failure(&self) -> bool

Returns true if the status is Failure.

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pub fn is_running(&self) -> bool

Returns true if the status is Running.

Trait Implementations§

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impl Clone for NodeStatus

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fn clone(&self) -> NodeStatus

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for NodeStatus

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

Formats the value using the given formatter. Read more
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impl Default for NodeStatus

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fn default() -> NodeStatus

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for NodeStatus

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fn deserialize<__D>( __deserializer: __D, ) -> Result<NodeStatus, <__D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Display for NodeStatus

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

Formats the value using the given formatter. Read more
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impl Hash for NodeStatus

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fn hash<__H>(&self, state: &mut __H)
where __H: Hasher,

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for NodeStatus

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fn eq(&self, other: &NodeStatus) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for NodeStatus

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fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl Copy for NodeStatus

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impl Eq for NodeStatus

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impl StructuralPartialEq for NodeStatus

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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where T: ?Sized,

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Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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fn __clone_box(&self, _: Private) -> *mut ()

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impl<Q, K> Equivalent<K> for Q
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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fn into_either(self, into_left: bool) -> Either<Self, Self>

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fn and<P, B, E>(self, other: P) -> And<T, P>
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Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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type Owned = T

The resulting type after obtaining ownership.
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ToString::to_string, but without panic on OOM.

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type Error = <U as TryFrom<T>>::Error

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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