sway_utils::mapped_stack

Struct MappedStack

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pub struct MappedStack<K: Eq + Hash, V> { /* private fields */ }
Expand description

A HashMap that can hold multiple values and fetch values in a LIFO manner. Rust’s MultiMap handles values in a FIFO manner.

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impl<K: Eq + Hash, V> MappedStack<K, V>

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pub fn new() -> MappedStack<K, V>

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pub fn push(&mut self, k: K, v: V)

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pub fn get(&self, k: &K) -> Option<&V>

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pub fn get_mut(&mut self, k: &K) -> Option<&mut V>

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pub fn pop(&mut self, k: &K)

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impl<K: Debug + Eq + Hash, V: Debug> Debug for MappedStack<K, V>

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

Formats the value using the given formatter. Read more
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impl<K: Eq + Hash, V> Default for MappedStack<K, V>

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl<K, V> Freeze for MappedStack<K, V>

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impl<K, V> RefUnwindSafe for MappedStack<K, V>

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impl<K, V> Send for MappedStack<K, V>
where K: Send, V: Send,

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impl<K, V> Sync for MappedStack<K, V>
where K: Sync, V: Sync,

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impl<K, V> Unpin for MappedStack<K, V>
where K: Unpin, V: Unpin,

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impl<K, V> UnwindSafe for MappedStack<K, V>
where K: UnwindSafe, V: UnwindSafe,

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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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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

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

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.