Handle metric labels for the whole application (globals).
App scope labels have the lowest lookup priority and serve as a fallback to other scopes.
Retrieve a value from the app scope.
Set a new value for the app scope.
Replaces any previous value for the key.
Unset a value for the app scope.
Has no effect if key was not set.
🔬 This is a nightly-only experimental API. (try_from
)
The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (try_from
)
Immutably borrows from an owned value. Read more
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
Mutably borrows from an owned value. Read more
🔬 This is a nightly-only experimental API. (try_from
)
The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (try_from
)