Enum prost_reflect::MapKey

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pub enum MapKey {
    Bool(bool),
    I32(i32),
    I64(i64),
    U32(u32),
    U64(u64),
    String(String),
}
Expand description

A dynamically-typed key for a protobuf map.

Variants§

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Bool(bool)

A boolean value, encoded as the bool protobuf type.

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I32(i32)

A 32-bit signed integer, encoded as one of the int32, sint32 or sfixed32 protobuf types.

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I64(i64)

A 64-bit signed integer, encoded as one of the int64, sint64 or sfixed64 protobuf types.

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U32(u32)

A 32-bit unsigned integer, encoded as one of the uint32 or ufixed32 protobuf types.

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U64(u64)

A 64-bit unsigned integer, encoded as one of the uint64 or ufixed64 protobuf types.

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String(String)

A string, encoded as the string protobuf type.

Implementations§

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impl MapKey

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pub fn default_value(kind: &Kind) -> Self

Returns the default value for the given protobuf type kind.

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Panics if kind is not a valid map key type (an integral type or string).

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pub fn is_default(&self, kind: &Kind) -> bool

Returns true if this is the default value for the given protobuf type kind.

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Panics if kind is not a valid map key type (an integral type or string).

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pub fn is_valid(&self, kind: &Kind) -> bool

Returns true if this map key can be encoded as the given Kind.

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

Returns the value if it is a MapKey::Bool, or None if it is any other type.

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pub fn as_bool_mut(&mut self) -> Option<&mut bool>

Returns a mutable reference to the value if it is a MapKey::Bool, or None if it is any other type.

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pub fn as_u32(&self) -> Option<u32>

Returns the value if it is a MapKey::U32, or None if it is any other type.

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pub fn as_u32_mut(&mut self) -> Option<&mut u32>

Returns a mutable reference to the value if it is a MapKey::U32, or None if it is any other type.

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pub fn as_u64(&self) -> Option<u64>

Returns the value if it is a MapKey::U64, or None if it is any other type.

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pub fn as_u64_mut(&mut self) -> Option<&mut u64>

Returns a mutable reference to the value if it is a MapKey::U64, or None if it is any other type.

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pub fn as_i64(&self) -> Option<i64>

Returns the value if it is a MapKey::I64, or None if it is any other type.

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pub fn as_i64_mut(&mut self) -> Option<&mut i64>

Returns a mutable reference to the value if it is a MapKey::I64, or None if it is any other type.

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pub fn as_i32(&self) -> Option<i32>

Returns the value if it is a MapKey::I32, or None if it is any other type.

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pub fn as_i32_mut(&mut self) -> Option<&mut i32>

Returns a mutable reference to the value if it is a MapKey::I32, or None if it is any other type.

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

Returns the value if it is a MapKey::String, or None if it is any other type.

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pub fn as_string_mut(&mut self) -> Option<&mut String>

Returns a mutable reference to the value if it is a MapKey::String, or None if it is any other type.

Trait Implementations§

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impl Clone for MapKey

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fn clone(&self) -> MapKey

Returns a copy 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 Debug for MapKey

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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<MapKey> for Value

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fn from(value: MapKey) -> Self

Converts to this type from the input type.
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impl Hash for MapKey

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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 Ord for MapKey

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fn cmp(&self, other: &MapKey) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized + PartialOrd,

Restrict a value to a certain interval. Read more
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impl PartialEq for MapKey

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fn eq(&self, other: &MapKey) -> 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 PartialOrd for MapKey

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fn partial_cmp(&self, other: &MapKey) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Eq for MapKey

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impl StructuralPartialEq for MapKey

Auto Trait Implementations§

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impl Freeze for MapKey

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impl RefUnwindSafe for MapKey

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impl Send for MapKey

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impl Sync for MapKey

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impl Unpin for MapKey

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impl UnwindSafe for MapKey

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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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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> 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, 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.