BorrowedValue

Enum BorrowedValue 

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pub enum BorrowedValue<'a> {
    Null,
    Bool(bool),
    Int(i64),
    Float(f64),
    String(Cow<'a, str>),
    Sequence(Vec<BorrowedValue<'a>>),
    Mapping(IndexMap<BorrowedValue<'a>, BorrowedValue<'a>>),
}
Expand description

A zero-copy YAML value that borrows data where possible

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Null

Null value

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Bool(bool)

Boolean value

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Int(i64)

Integer value

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Float(f64)

Floating point value

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String(Cow<'a, str>)

String value (borrowed or owned)

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Sequence(Vec<BorrowedValue<'a>>)

Sequence (array/list) value

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Mapping(IndexMap<BorrowedValue<'a>, BorrowedValue<'a>>)

Mapping (dictionary/object) value

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impl<'a> BorrowedValue<'a>

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pub const fn null() -> Self

Create a null value

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pub const fn bool(b: bool) -> Self

Create a boolean value

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pub const fn int(i: i64) -> Self

Create an integer value

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pub const fn float(f: f64) -> Self

Create a float value

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pub const fn borrowed_string(s: &'a str) -> Self

Create a borrowed string value

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pub fn owned_string(s: String) -> Self

Create an owned string value

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pub const fn string(s: Cow<'a, str>) -> Self

Create a string value from a Cow

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pub const fn sequence() -> Self

Create an empty sequence

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pub const fn sequence_with(values: Vec<Self>) -> Self

Create a sequence with values

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pub fn mapping() -> Self

Create an empty mapping

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pub fn mapping_with(pairs: Vec<(Self, Self)>) -> Self

Create a mapping with key-value pairs

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pub const fn type_name(&self) -> &'static str

Get the type name of this value

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pub const fn is_null(&self) -> bool

Check if this value is null

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pub const fn is_bool(&self) -> bool

Check if this value is a boolean

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pub const fn is_int(&self) -> bool

Check if this value is an integer

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pub const fn is_float(&self) -> bool

Check if this value is a float

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pub const fn is_string(&self) -> bool

Check if this value is a string

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pub const fn is_sequence(&self) -> bool

Check if this value is a sequence

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pub const fn is_mapping(&self) -> bool

Check if this value is a mapping

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pub const fn as_bool(&self) -> Option<bool>

Try to get this value as a boolean

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pub const fn as_int(&self) -> Option<i64>

Try to get this value as an integer

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pub const fn as_float(&self) -> Option<f64>

Try to get this value as a float

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pub fn as_str(&self) -> Option<&str>

Try to get this value as a string slice

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pub const fn as_sequence(&self) -> Option<&Vec<BorrowedValue<'a>>>

Try to get this value as a sequence

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pub fn as_sequence_mut(&mut self) -> Option<&mut Vec<BorrowedValue<'a>>>

Try to get this value as a mutable sequence

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pub const fn as_mapping( &self, ) -> Option<&IndexMap<BorrowedValue<'a>, BorrowedValue<'a>>>

Try to get this value as a mapping

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pub fn as_mapping_mut( &mut self, ) -> Option<&mut IndexMap<BorrowedValue<'a>, BorrowedValue<'a>>>

Try to get this value as a mutable mapping

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pub fn into_owned(self) -> BorrowedValue<'static>

Convert to an owned Value (for when lifetime constraints require it)

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pub fn clone_if_needed(&self) -> Self

Clone only if necessary (for Cow optimization)

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impl<'a> Clone for BorrowedValue<'a>

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fn clone(&self) -> BorrowedValue<'a>

Returns a duplicate 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<'a> Debug for BorrowedValue<'a>

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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<'a> Default for BorrowedValue<'a>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'a> Display for BorrowedValue<'a>

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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 From<BorrowedValue<'_>> for Value

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fn from(value: BorrowedValue<'_>) -> Self

Converts to this type from the input type.
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impl<'a> From<Value> for BorrowedValue<'a>

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fn from(value: Value) -> Self

Converts to this type from the input type.
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impl<'a> Hash for BorrowedValue<'a>

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fn hash<H: Hasher>(&self, state: &mut H)

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<'a> PartialEq for BorrowedValue<'a>

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fn eq(&self, other: &BorrowedValue<'a>) -> bool

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<'a> Eq for BorrowedValue<'a>

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impl<'a> StructuralPartialEq for BorrowedValue<'a>

Auto Trait Implementations§

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impl<'a> Freeze for BorrowedValue<'a>

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impl<'a> RefUnwindSafe for BorrowedValue<'a>

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impl<'a> Send for BorrowedValue<'a>

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impl<'a> Sync for BorrowedValue<'a>

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impl<'a> Unpin for BorrowedValue<'a>

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impl<'a> UnwindSafe for BorrowedValue<'a>

Blanket Implementations§

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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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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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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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.