[−][src]Struct stdweb::web::Storage
The Storage
interface of the Web Storage API provides access to
the session storage or local storage for a particular domain.
Methods
impl Storage
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pub fn len(&self) -> u32
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Gets the number of data items stored in the Storage
object.
pub fn get(&self, key: &str) -> Option<String>
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Returns a value corresponding to the key.
pub fn insert(&self, key: &str, value: &str) -> Result<(), TODO>
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Inserts a key-value pair into the storage.
pub fn remove(&self, key: &str)
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Removes a key from the storage.
pub fn clear(&self)
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When invoked, will empty all keys out of the storage.
pub fn key(&self, nth: u32) -> Option<String>
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Return the name of the nth key in the storage.
pub fn contains_key(&self, key: &str) -> bool
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Returns true if the storage contains a value for the specified key.
Trait Implementations
impl JsSerialize for Storage
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impl TryFrom<Storage> for Reference
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type Error = Void
The type returned in the event of a conversion error.
fn try_from(value: Storage) -> Result<Self, Self::Error>
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impl TryFrom<Reference> for Storage
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type Error = ConversionError
The type returned in the event of a conversion error.
fn try_from(reference: Reference) -> Result<Self, Self::Error>
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impl<'_r> TryFrom<&'_r Reference> for Storage
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type Error = ConversionError
The type returned in the event of a conversion error.
fn try_from(reference: &Reference) -> Result<Self, Self::Error>
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impl TryFrom<Value> for Storage
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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>
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impl<'_r> TryFrom<&'_r Value> for Storage
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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>
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impl InstanceOf for Storage
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fn instance_of(reference: &Reference) -> bool
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impl ReferenceType for Storage
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unsafe fn from_reference_unchecked(reference: Reference) -> Self
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impl AsRef<Reference> for Storage
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impl From<Storage> for Reference
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impl Clone for Storage
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impl Eq for Storage
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impl PartialEq<Storage> for Storage
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impl Debug for Storage
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Auto Trait Implementations
impl Send for Storage
impl Sync for Storage
impl Unpin for Storage
impl UnwindSafe for Storage
impl RefUnwindSafe for Storage
Blanket Implementations
impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> From<T> for T
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impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,