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FieldDef

Struct FieldDef 

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pub struct FieldDef {
    pub name: String,
    pub id: u16,
    pub type_name: String,
    pub offset: usize,
    pub presence: Presence,
    pub semantic_type: Option<String>,
    pub description: Option<String>,
    pub since_version: Option<u16>,
    pub deprecated: Option<u16>,
    pub value_ref: Option<String>,
    pub encoded_length: usize,
}
Expand description

Field definition within a message or group.

Fields§

§name: String

Field name.

§id: u16

Field ID (tag).

§type_name: String

Type name (references a type definition).

§offset: usize

Offset within the block.

§presence: Presence

Field presence.

§semantic_type: Option<String>

Semantic type.

§description: Option<String>

Description.

§since_version: Option<u16>

Since version.

§deprecated: Option<u16>

Deprecated since version.

§value_ref: Option<String>

Constant value (if presence is Constant).

§encoded_length: usize

Encoded length in bytes (resolved from type).

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impl FieldDef

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pub fn new(name: String, id: u16, type_name: String, offset: usize) -> Self

Creates a new field definition.

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pub fn is_optional(&self) -> bool

Returns true if the field is optional.

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pub fn is_constant(&self) -> bool

Returns true if the field has a constant value.

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pub fn end_offset(&self) -> usize

Returns the end offset (offset + length).

Trait Implementations§

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impl Clone for FieldDef

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fn clone(&self) -> FieldDef

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 Debug for FieldDef

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

Formats the value using the given formatter. Read more

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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<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.