Struct protobuf::UnknownFields [−][src]
pub struct UnknownFields { pub fields: Option<Box<HashMap<u32, UnknownValues>>>, }
Hold “unknown” fields in parsed message.
Field may be unknown if it they are added in newer version of .proto
.
Unknown fields are stored in UnknownFields
structure, so
protobuf message could process messages without losing data.
For example, in this operation: load from DB, modify, store to DB,
even when working with older .proto
file, new fields won’t be lost.
Fields
fields: Option<Box<HashMap<u32, UnknownValues>>>
The map.
Implementations
impl UnknownFields
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impl UnknownFields
[src]pub fn new() -> UnknownFields
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Empty unknown fields
pub fn add_fixed32(&mut self, number: u32, fixed32: u32)
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Add unknown fixed 32-bit
pub fn add_fixed64(&mut self, number: u32, fixed64: u64)
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Add unknown fixed 64-bit
pub fn add_varint(&mut self, number: u32, varint: u64)
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Add unknown varint
pub fn add_length_delimited(&mut self, number: u32, length_delimited: Vec<u8>)
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Add unknown length delimited
pub fn add_value(&mut self, number: u32, value: UnknownValue)
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Add unknown value
pub fn remove(&mut self, field_number: u32)
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Remove unknown field by number
pub fn iter<'s>(&'s self) -> UnknownFieldsIter<'s>ⓘNotable traits for UnknownFieldsIter<'s>
impl<'s> Iterator for UnknownFieldsIter<'s> type Item = (u32, &'s UnknownValues);
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Notable traits for UnknownFieldsIter<'s>
impl<'s> Iterator for UnknownFieldsIter<'s> type Item = (u32, &'s UnknownValues);
Iterate over all unknowns
pub fn get(&self, field_number: u32) -> Option<&UnknownValues>
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Find unknown field by number
Trait Implementations
impl Clear for UnknownFields
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impl Clear for UnknownFields
[src]impl Clone for UnknownFields
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impl Clone for UnknownFields
[src]fn clone(&self) -> UnknownFields
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pub fn clone_from(&mut self, source: &Self)
1.0.0[src]
impl Default for UnknownFields
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impl Default for UnknownFields
[src]fn default() -> UnknownFields
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impl Eq for UnknownFields
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impl Eq for UnknownFields
[src]impl Hash for UnknownFields
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impl Hash for UnknownFields
[src]Very simple hash implementation of Hash
for UnknownFields
.
Since map is unordered, we cannot put entry hashes into hasher,
instead we summing hashes of entries.
impl<'a> IntoIterator for &'a UnknownFields
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impl<'a> IntoIterator for &'a UnknownFields
[src]type Item = (u32, &'a UnknownValues)
The type of the elements being iterated over.
type IntoIter = UnknownFieldsIter<'a>
Which kind of iterator are we turning this into?
fn into_iter(self) -> UnknownFieldsIter<'a>ⓘNotable traits for UnknownFieldsIter<'s>
impl<'s> Iterator for UnknownFieldsIter<'s> type Item = (u32, &'s UnknownValues);
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Notable traits for UnknownFieldsIter<'s>
impl<'s> Iterator for UnknownFieldsIter<'s> type Item = (u32, &'s UnknownValues);
impl PartialEq<UnknownFields> for UnknownFields
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impl PartialEq<UnknownFields> for UnknownFields
[src]fn eq(&self, other: &UnknownFields) -> bool
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fn ne(&self, other: &UnknownFields) -> bool
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impl StructuralEq for UnknownFields
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impl StructuralEq for UnknownFields
[src]impl StructuralPartialEq for UnknownFields
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impl StructuralPartialEq for UnknownFields
[src]Auto Trait Implementations
impl RefUnwindSafe for UnknownFields
impl RefUnwindSafe for UnknownFields
impl Send for UnknownFields
impl Send for UnknownFields
impl Sync for UnknownFields
impl Sync for UnknownFields
impl Unpin for UnknownFields
impl Unpin for UnknownFields
impl UnwindSafe for UnknownFields
impl UnwindSafe for UnknownFields