#[non_exhaustive]
pub enum Level {
Error,
Warning,
Note,
Help,
}
🔬 This is a nightly-only experimental API. (
proc_macro_diagnostic
#54140)
An enum representing a diagnostic level.
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
🔬 This is a nightly-only experimental API. (
proc_macro_diagnostic
#54140)
🔬 This is a nightly-only experimental API. (
proc_macro_diagnostic
#54140)
🔬 This is a nightly-only experimental API. (
proc_macro_diagnostic
#54140)
🔬 This is a nightly-only experimental API. (
proc_macro_diagnostic
#54140)
Performs copy-assignment from source
. Read more
Formats the value using the given formatter. Read more
Creates owned data from borrowed data, usually by cloning. Read more
🔬 This is a nightly-only experimental API. (toowned_clone_into
#41263)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
🔬 This is a nightly-only experimental API. (
try_from
#33417)
The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (
try_from
#33417)
Immutably borrows from an owned value. Read more
🔬 This is a nightly-only experimental API. (
try_from
#33417)
The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (
try_from
#33417)
Mutably borrows from an owned value. Read more
🔬 This is a nightly-only experimental API. (get_type_id
#27745)
this method will likely be replaced by an associated static