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MapV

decl_lang::semantics

Struct MapV 

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pub struct MapV {
    pub entries: Vec<(String, Value)>,
    pub path: SegPath,
}
Expand description

a map value

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§entries: Vec<(String, Value)>

the entries, in order

§path: SegPath

its canonical path

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impl MapV

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pub fn get(&self, k: &str) -> Option<&Value>

The value at a key.

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pub fn has(&self, k: &str) -> bool

Whether the key is present.

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pub fn set(&mut self, k: String, v: Value)

Set a key’s value.

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impl !RefUnwindSafe for MapV

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impl !Send for MapV

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impl !Sync for MapV

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impl !UnwindSafe for MapV

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impl Freeze for MapV

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impl Unpin for MapV

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impl UnsafeUnpin for MapV

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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> Same for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

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

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.