Struct specs::Generation
[−]
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pub struct Generation(_);
Index generation. When a new entity is placed at an old index,
it bumps the Generation
by 1. This allows to avoid using components
from the entities that were deleted.
Methods
impl Generation
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fn id(&self) -> i32
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Returns the id of the generation.
fn is_alive(&self) -> bool
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Returns true
if entities of this Generation
are alive.
Trait Implementations
impl Clone for Generation
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fn clone(&self) -> Generation
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Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
Performs copy-assignment from source
. Read more
impl Copy for Generation
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impl Debug for Generation
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impl Hash for Generation
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fn hash<__H: Hasher>(&self, __arg_0: &mut __H)
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Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl Eq for Generation
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impl Ord for Generation
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fn cmp(&self, __arg_0: &Generation) -> Ordering
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This method returns an Ordering
between self
and other
. Read more
fn max(self, other: Self) -> Self
1.22.0[src]
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
1.22.0[src]
Compares and returns the minimum of two values. Read more
impl PartialEq for Generation
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fn eq(&self, __arg_0: &Generation) -> bool
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This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &Generation) -> bool
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This method tests for !=
.
impl PartialOrd for Generation
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fn partial_cmp(&self, __arg_0: &Generation) -> Option<Ordering>
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This method returns an ordering between self
and other
values if one exists. Read more
fn lt(&self, __arg_0: &Generation) -> bool
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This method tests less than (for self
and other
) and is used by the <
operator. Read more
fn le(&self, __arg_0: &Generation) -> bool
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This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
fn gt(&self, __arg_0: &Generation) -> bool
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This method tests greater than (for self
and other
) and is used by the >
operator. Read more
fn ge(&self, __arg_0: &Generation) -> bool
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This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more