Struct stdweb::Undefined
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pub struct Undefined;
A unit type representing JavaScript's undefined
.
Trait Implementations
impl Copy for Undefined
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impl Clone for Undefined
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fn clone(&self) -> Undefined
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0
Performs copy-assignment from source
. Read more
impl PartialEq for Undefined
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fn eq(&self, __arg_0: &Undefined) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &Rhs) -> bool
1.0.0
This method tests for !=
.
impl Eq for Undefined
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impl PartialOrd for Undefined
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fn partial_cmp(&self, __arg_0: &Undefined) -> Option<Ordering>
This method returns an ordering between self
and other
values if one exists. Read more
fn lt(&self, other: &Rhs) -> bool
1.0.0
This method tests less than (for self
and other
) and is used by the <
operator. Read more
fn le(&self, other: &Rhs) -> bool
1.0.0
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
fn gt(&self, other: &Rhs) -> bool
1.0.0
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
fn ge(&self, other: &Rhs) -> bool
1.0.0
This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
impl Ord for Undefined
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fn cmp(&self, __arg_0: &Undefined) -> Ordering
This method returns an Ordering
between self
and other
. Read more
impl Hash for Undefined
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fn hash<__H: Hasher>(&self, __arg_0: &mut __H)
Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl Default for Undefined
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impl Debug for Undefined
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impl PartialEq<Value> for Undefined
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fn eq(&self, right: &Value) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &Rhs) -> bool
1.0.0
This method tests for !=
.
impl<'a> PartialEq<&'a Value> for Undefined
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fn eq(&self, right: &&'a Value) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &Rhs) -> bool
1.0.0
This method tests for !=
.
impl<'a> PartialEq<Value> for &'a Undefined
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fn eq(&self, right: &Value) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &Rhs) -> bool
1.0.0
This method tests for !=
.
impl TryFrom<Value> for Undefined
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type Error = ConversionError
The type returned in the event of a conversion error.
fn try_from(value: Value) -> Result<Self, Self::Error>
Performs the conversion.
impl Serialize for Undefined
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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error>
Serialize this value into the given Serde serializer. Read more
impl<'de> Deserialize<'de> for Undefined
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fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error>
Deserialize this value from the given Serde deserializer. Read more