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KeyValue

dynamo_runtime::transports::etcd

Struct KeyValue 

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pub struct KeyValue(/* private fields */);
Expand description

Key-value pair.

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impl KeyValue

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pub fn key(&self) -> &[u8] ⓘ

The key in bytes. An empty key is not allowed.

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pub fn key_str(&self) -> Result<&str, Error>

The key in string. An empty key is not allowed.

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pub unsafe fn key_str_unchecked(&self) -> &str

The key in string. An empty key is not allowed.

§Safety

This function is unsafe because it does not check that the bytes of the key are valid UTF-8. If this constraint is violated, undefined behavior results, as the rest of Rust assumes that &strs are valid UTF-8.

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pub fn value(&self) -> &[u8] ⓘ

The value held by the key, in bytes.

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pub fn value_str(&self) -> Result<&str, Error>

The value held by the key, in string.

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pub unsafe fn value_str_unchecked(&self) -> &str

The value held by the key, in bytes.

§Safety

This function is unsafe because it does not check that the bytes of the value are valid UTF-8. If this constraint is violated, undefined behavior results, as the rest of Rust assumes that &strs are valid UTF-8.

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pub fn into_key_value(self) -> (Vec<u8>, Vec<u8>)

Convert to key-value pair.

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pub const fn create_revision(&self) -> i64

The revision of last creation on this key.

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pub const fn mod_revision(&self) -> i64

The revision of last modification on this key.

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pub const fn version(&self) -> i64

The version of the key. A deletion resets the version to zero and any modification of the key increases its version.

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pub const fn lease(&self) -> i64

The ID of the lease that attached to key. When the attached lease expires, the key will be deleted. If lease is 0, then no lease is attached to the key.

Trait Implementations§

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impl Clone for KeyValue

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fn clone(&self) -> KeyValue

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 KeyValue

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

Formats the value using the given formatter. Read more
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impl From<&KeyValue> for &KeyValue

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fn from(src: &KeyValue) -> &KeyValue

Converts to this type from the input type.
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impl From<&mut KeyValue> for &mut KeyValue

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fn from(src: &mut KeyValue) -> &mut KeyValue

Converts to this type from the input type.

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

🔬This is a nightly-only experimental API. (clone_to_uninit)
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