Struct opentelemetry_api::Key

source ·
pub struct Key(_);
Expand description

The key part of attribute KeyValue pairs.

See the attribute naming spec for guidelines.

Implementations§

Create a new Key.

Examples
use opentelemetry_api::Key;
use std::sync::Arc;

let key1 = Key::new("my_static_str");
let key2 = Key::new(String::from("my_owned_string"));
let key3 = Key::new(Arc::from("my_ref_counted_str"));

Create a new const Key.

Create a KeyValue pair for bool values.

Create a KeyValue pair for i64 values.

Create a KeyValue pair for f64 values.

Create a KeyValue pair for string-like values.

Create a KeyValue pair for arrays.

Returns a reference to the underlying key name

Trait Implementations§

Returns a copy of the value. Read more
Performs copy-assignment from source. Read more
Formats the value using the given formatter. Read more
Formats the value using the given formatter. Read more

Convert a &str to a Key.

Convert a String to a Key.

Converts to this type from the input type.

Convert a String to a Key.

Feeds this value into the given Hasher. Read more
Feeds a slice of this type into the given Hasher. Read more
This method returns an Ordering between self and other. Read more
Compares and returns the maximum of two values. Read more
Compares and returns the minimum of two values. Read more
Restrict a value to a certain interval. Read more
This method tests for self and other values to be equal, and is used by ==.
This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
This method returns an ordering between self and other values if one exists. Read more
This method tests less than (for self and other) and is used by the < operator. Read more
This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
This method tests greater than (for self and other) and is used by the > operator. Read more
This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more

Auto Trait Implementations§

Blanket Implementations§

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more
Compare self to key and return true if they are equal.

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning. Read more
Uses borrowed data to replace owned data, usually by cloning. Read more
Converts the given value to a String. Read more
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.