Struct bevy::math::prelude::URect

#[repr(C)]
pub struct URect { pub min: UVec2, pub max: UVec2, }
Expand description

A rectangle defined by two opposite corners.

The rectangle is axis aligned, and defined by its minimum and maximum coordinates, stored in URect::min and URect::max, respectively. The minimum/maximum invariant must be upheld by the user when directly assigning the fields, otherwise some methods produce invalid results. It is generally recommended to use one of the constructor methods instead, which will ensure this invariant is met, unless you already have the minimum and maximum corners.

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§min: UVec2

The minimum corner point of the rect.

§max: UVec2

The maximum corner point of the rect.

Implementations§

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impl URect

pub const EMPTY: URect = _

An empty URect, represented by maximum and minimum corner points with max == UVec2::MIN and min == UVec2::MAX, so the rect has an extremely large negative size. This is useful, because when taking a union B of a non-empty URect A and this empty URect, B will simply equal A.

pub fn new(x0: u32, y0: u32, x1: u32, y1: u32) -> URect

Create a new rectangle from two corner points.

The two points do not need to be the minimum and/or maximum corners. They only need to be two opposite corners.

§Examples
let r = URect::new(0, 4, 10, 6); // w=10 h=2
let r = URect::new(2, 4, 5, 0); // w=3 h=4

pub fn from_corners(p0: UVec2, p1: UVec2) -> URect

Create a new rectangle from two corner points.

The two points do not need to be the minimum and/or maximum corners. They only need to be two opposite corners.

§Examples
// Unit rect from [0,0] to [1,1]
let r = URect::from_corners(UVec2::ZERO, UVec2::ONE); // w=1 h=1
// Same; the points do not need to be ordered
let r = URect::from_corners(UVec2::ONE, UVec2::ZERO); // w=1 h=1

pub fn from_center_size(origin: UVec2, size: UVec2) -> URect

Create a new rectangle from its center and size.

§Rounding Behaviour

If the size contains odd numbers they will be rounded down to the nearest whole number.

§Panics

This method panics if any of the components of the size is negative or if origin - (size / 2) results in any negatives.

§Examples
let r = URect::from_center_size(UVec2::ONE, UVec2::splat(2)); // w=2 h=2
assert_eq!(r.min, UVec2::splat(0));
assert_eq!(r.max, UVec2::splat(2));

pub fn from_center_half_size(origin: UVec2, half_size: UVec2) -> URect

Create a new rectangle from its center and half-size.

§Panics

This method panics if any of the components of the half-size is negative or if origin - half_size results in any negatives.

§Examples
let r = URect::from_center_half_size(UVec2::ONE, UVec2::ONE); // w=2 h=2
assert_eq!(r.min, UVec2::splat(0));
assert_eq!(r.max, UVec2::splat(2));

pub fn is_empty(&self) -> bool

Check if the rectangle is empty.

§Examples
let r = URect::from_corners(UVec2::ZERO, UVec2::new(0, 1)); // w=0 h=1
assert!(r.is_empty());

pub const fn width(&self) -> u32

Rectangle width (max.x - min.x).

§Examples
let r = URect::new(0, 0, 5, 1); // w=5 h=1
assert_eq!(r.width(), 5);

pub const fn height(&self) -> u32

Rectangle height (max.y - min.y).

§Examples
let r = URect::new(0, 0, 5, 1); // w=5 h=1
assert_eq!(r.height(), 1);

pub fn size(&self) -> UVec2

Rectangle size.

§Examples
let r = URect::new(0, 0, 5, 1); // w=5 h=1
assert_eq!(r.size(), UVec2::new(5, 1));

pub fn half_size(&self) -> UVec2

Rectangle half-size.

§Rounding Behaviour

If the full size contains odd numbers they will be rounded down to the nearest whole number when calculating the half size.

§Examples
let r = URect::new(0, 0, 4, 2); // w=4 h=2
assert_eq!(r.half_size(), UVec2::new(2, 1));

pub fn center(&self) -> UVec2

The center point of the rectangle.

§Rounding Behaviour

If the (min + max) contains odd numbers they will be rounded down to the nearest whole number when calculating the center.

§Examples
let r = URect::new(0, 0, 4, 2); // w=4 h=2
assert_eq!(r.center(), UVec2::new(2, 1));

pub fn contains(&self, point: UVec2) -> bool

Check if a point lies within this rectangle, inclusive of its edges.

§Examples
let r = URect::new(0, 0, 5, 1); // w=5 h=1
assert!(r.contains(r.center()));
assert!(r.contains(r.min));
assert!(r.contains(r.max));

pub fn union(&self, other: URect) -> URect

Build a new rectangle formed of the union of this rectangle and another rectangle.

The union is the smallest rectangle enclosing both rectangles.

§Examples
let r1 = URect::new(0, 0, 5, 1); // w=5 h=1
let r2 = URect::new(1, 0, 3, 8); // w=2 h=4
let r = r1.union(r2);
assert_eq!(r.min, UVec2::new(0, 0));
assert_eq!(r.max, UVec2::new(5, 8));

pub fn union_point(&self, other: UVec2) -> URect

Build a new rectangle formed of the union of this rectangle and a point.

The union is the smallest rectangle enclosing both the rectangle and the point. If the point is already inside the rectangle, this method returns a copy of the rectangle.

§Examples
let r = URect::new(0, 0, 5, 1); // w=5 h=1
let u = r.union_point(UVec2::new(3, 6));
assert_eq!(u.min, UVec2::ZERO);
assert_eq!(u.max, UVec2::new(5, 6));

pub fn intersect(&self, other: URect) -> URect

Build a new rectangle formed of the intersection of this rectangle and another rectangle.

The intersection is the largest rectangle enclosed in both rectangles. If the intersection is empty, this method returns an empty rectangle (URect::is_empty() returns true), but the actual values of URect::min and URect::max are implementation-dependent.

§Examples
let r1 = URect::new(0, 0, 2, 2); // w=2 h=2
let r2 = URect::new(1, 1, 3, 3); // w=2 h=2
let r = r1.intersect(r2);
assert_eq!(r.min, UVec2::new(1, 1));
assert_eq!(r.max, UVec2::new(2, 2));

pub fn inflate(&self, expansion: i32) -> URect

Create a new rectangle by expanding it evenly on all sides.

A positive expansion value produces a larger rectangle, while a negative expansion value produces a smaller rectangle. If this would result in zero width or height, URect::EMPTY is returned instead.

§Examples
let r = URect::new(4, 4, 6, 6); // w=2 h=2
let r2 = r.inflate(1); // w=4 h=4
assert_eq!(r2.min, UVec2::splat(3));
assert_eq!(r2.max, UVec2::splat(7));

let r = URect::new(4, 4, 8, 8); // w=4 h=4
let r2 = r.inflate(-1); // w=2 h=2
assert_eq!(r2.min, UVec2::splat(5));
assert_eq!(r2.max, UVec2::splat(7));

pub fn as_rect(&self) -> Rect

Returns self as Rect (f32)

pub fn as_irect(&self) -> IRect

Returns self as IRect (i32)

Trait Implementations§

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impl Clone for URect

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fn clone(&self) -> URect

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

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

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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 URect

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fn default() -> URect

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

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

Deserialize this value from the given Serde deserializer. Read more
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impl FromReflect for URect
where URect: Any + Send + Sync, UVec2: FromReflect + TypePath + RegisterForReflection,

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fn from_reflect(reflect: &(dyn Reflect + 'static)) -> Option<URect>

Constructs a concrete instance of Self from a reflected value.
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fn take_from_reflect( reflect: Box<dyn Reflect> ) -> Result<Self, Box<dyn Reflect>>

Attempts to downcast the given value to Self using, constructing the value using from_reflect if that fails. Read more
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impl GetTypeRegistration for URect
where URect: Any + Send + Sync, UVec2: FromReflect + TypePath + RegisterForReflection,

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fn get_type_registration() -> TypeRegistration

Returns the default TypeRegistration for this type.
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fn register_type_dependencies(registry: &mut TypeRegistry)

Registers other types needed by this type. Read more
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impl Hash for URect

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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 URect

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

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Reflect for URect
where URect: Any + Send + Sync, UVec2: FromReflect + TypePath + RegisterForReflection,

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fn get_represented_type_info(&self) -> Option<&'static TypeInfo>

Returns the TypeInfo of the type represented by this value. Read more
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fn into_any(self: Box<URect>) -> Box<dyn Any>

Returns the value as a Box<dyn Any>.
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fn as_any(&self) -> &(dyn Any + 'static)

Returns the value as a &dyn Any.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Returns the value as a &mut dyn Any.
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fn into_reflect(self: Box<URect>) -> Box<dyn Reflect>

Casts this type to a boxed reflected value.
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fn as_reflect(&self) -> &(dyn Reflect + 'static)

Casts this type to a reflected value.
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fn as_reflect_mut(&mut self) -> &mut (dyn Reflect + 'static)

Casts this type to a mutable reflected value.
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fn clone_value(&self) -> Box<dyn Reflect>

Clones the value as a Reflect trait object. Read more
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fn set(&mut self, value: Box<dyn Reflect>) -> Result<(), Box<dyn Reflect>>

Performs a type-checked assignment of a reflected value to this value. Read more
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fn try_apply( &mut self, value: &(dyn Reflect + 'static) ) -> Result<(), ApplyError>

Tries to apply a reflected value to this value. Read more
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fn reflect_kind(&self) -> ReflectKind

Returns a zero-sized enumeration of “kinds” of type. Read more
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fn reflect_ref(&self) -> ReflectRef<'_>

Returns an immutable enumeration of “kinds” of type. Read more
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fn reflect_mut(&mut self) -> ReflectMut<'_>

Returns a mutable enumeration of “kinds” of type. Read more
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fn reflect_owned(self: Box<URect>) -> ReflectOwned

Returns an owned enumeration of “kinds” of type. Read more
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fn reflect_hash(&self) -> Option<u64>

Returns a hash of the value (which includes the type). Read more
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fn reflect_partial_eq(&self, value: &(dyn Reflect + 'static)) -> Option<bool>

Returns a “partial equality” comparison result. Read more
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fn debug(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Debug formatter for the value. Read more
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fn apply(&mut self, value: &(dyn Reflect + 'static))

Applies a reflected value to this value. Read more
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fn serializable(&self) -> Option<Serializable<'_>>

Returns a serializable version of the value. Read more
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fn is_dynamic(&self) -> bool

Indicates whether or not this type is a dynamic type. Read more
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impl Serialize for URect

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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 Struct for URect
where URect: Any + Send + Sync, UVec2: FromReflect + TypePath + RegisterForReflection,

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fn field(&self, name: &str) -> Option<&(dyn Reflect + 'static)>

Returns a reference to the value of the field named name as a &dyn Reflect.
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fn field_mut(&mut self, name: &str) -> Option<&mut (dyn Reflect + 'static)>

Returns a mutable reference to the value of the field named name as a &mut dyn Reflect.
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fn field_at(&self, index: usize) -> Option<&(dyn Reflect + 'static)>

Returns a reference to the value of the field with index index as a &dyn Reflect.
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fn field_at_mut(&mut self, index: usize) -> Option<&mut (dyn Reflect + 'static)>

Returns a mutable reference to the value of the field with index index as a &mut dyn Reflect.
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fn name_at(&self, index: usize) -> Option<&str>

Returns the name of the field with index index.
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fn field_len(&self) -> usize

Returns the number of fields in the struct.
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fn iter_fields(&self) -> FieldIter<'_>

Returns an iterator over the values of the reflectable fields for this struct.
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fn clone_dynamic(&self) -> DynamicStruct

Clones the struct into a DynamicStruct.
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impl TypePath for URect
where URect: Any + Send + Sync,

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fn type_path() -> &'static str

Returns the fully qualified path of the underlying type. Read more
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fn short_type_path() -> &'static str

Returns a short, pretty-print enabled path to the type. Read more
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fn type_ident() -> Option<&'static str>

Returns the name of the type, or None if it is anonymous. Read more
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fn crate_name() -> Option<&'static str>

Returns the name of the crate the type is in, or None if it is anonymous. Read more
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fn module_path() -> Option<&'static str>

Returns the path to the module the type is in, or None if it is anonymous. Read more
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impl Typed for URect
where URect: Any + Send + Sync, UVec2: FromReflect + TypePath + RegisterForReflection,

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fn type_info() -> &'static TypeInfo

Returns the compile-time info for the underlying type.
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impl Copy for URect

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impl Eq for URect

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impl StructuralPartialEq for URect

Auto Trait Implementations§

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impl Freeze for URect

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impl RefUnwindSafe for URect

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impl Send for URect

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impl Sync for URect

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impl Unpin for URect

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impl UnwindSafe for URect

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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 U: ShaderType, &'a T: for<'a> Into<U>,

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fn as_bind_group_shader_type(&self, _images: &RenderAssets<GpuImage>) -> U

Return the T ShaderType for self. When used in AsBindGroup derives, it is safe to assume that all images in self exist.
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where T: ?Sized,

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

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impl<T> Downcast for T
where T: Any,

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Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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where T: Any + Eq,

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Casts the type to dyn Any.
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This method tests for self and other values to be equal. Read more
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where T: DynEq + Hash,

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fn as_dyn_eq(&self) -> &(dyn DynEq + 'static)

Casts the type to dyn Any.
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Feeds this value into the given Hasher.
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impl<T> DynamicTypePath for T
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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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Compare self to key and return true if they are equal.
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