non-exhaustive enums

Cargo.toml

@@ -37,3 +37,4 @@ if-not-else = "warn"
 if-then-some-else-none = "warn"
 impl-trait-in-params = "warn"
 macro-use-imports = "forbid"
+exhaustive-enums = "warn"

crates/core/item/src/lib.rs

@@ -112,6 +112,7 @@ pub use Settings as ItemSettings;
 
 /// Rarity of an item.
 #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Default)]
+#[non_exhaustive]
 pub enum Rarity {
     /// Common rarity.
     #[default]

crates/core/registry/src/entry.rs

@@ -9,6 +9,7 @@ use crate::{key::Key, tag::TagKey};
 /// Type holds a value that can be registered
 /// in a registry.
 #[derive(Debug)]
+#[allow(clippy::exhaustive_enums)]
 pub enum Entry<'a, K, T> {
     /// Holds the value directly.
     Direct(T),

crates/core/state/src/lib.rs

@@ -346,6 +346,7 @@ where
 
 /// Error type for state operations.
 #[derive(Debug)]
+#[non_exhaustive]
 pub enum Error {
     /// The property was not found in the state.
     PropertyNotFound(String),
@@ -394,6 +395,7 @@ impl std::error::Error for Error {}
 
 /// Cell that can be either an [`Arc`] or a borrowed reference.
 #[derive(Debug)]
+#[allow(clippy::exhaustive_enums)]
 pub enum MaybeArc<'a, T> {
     /// The reference-counted variant.
     Arc(Arc<T>),

crates/core/text/src/error.rs

@@ -2,6 +2,7 @@ use rimecraft_fmt::Formatting;
 
 /// An error type for the text module.
 #[derive(Debug)]
+#[non_exhaustive]
 pub enum Error {
     /// The given formatting does not contains a color.
     FormattingWithoutColor(Formatting),

crates/core/world/palette/src/lib.rs

@@ -21,6 +21,7 @@ pub struct Palette<L, T> {
 
 /// The strategy to use for the palette.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+#[non_exhaustive] // New strategies may be added in the future.
 pub enum Strategy {
     /// A palette that only holds a unique entry.
     #[doc(alias = "SingleValue")]
@@ -418,6 +419,7 @@ where
 
 /// Error type for palette operations.
 #[derive(Debug)]
+#[non_exhaustive]
 pub enum Error {
     /// The palette is uninitialized.
     Uninitialized,

crates/util/fmt/src/lib.rs

@@ -49,6 +49,7 @@ macro_rules! formattings {
             serde(rename_all = "snake_case")
         )]
         #[doc(alias = "ChatFormatting")]
+        #[non_exhaustive]
         pub enum Formatting {
             $(#[doc = "The formatting."] $i),*
         }
@@ -217,6 +218,7 @@ formattings! {
 /// An error returned when parsing a formatting.
 #[derive(Debug)]
 #[allow(variant_size_differences)]
+#[non_exhaustive]
 pub enum Error {
     /// No matching color index found.
     InvalidColorIndex(i32),

crates/util/identifier/src/lib.rs

@@ -55,6 +55,7 @@ where
 
 /// Errors that may occur when parsing an identifier.
 #[derive(Debug)]
+#[allow(clippy::exhaustive_enums)]
 pub enum FromStrError<EN, EP> {
     /// An error occurred when parsing the namespace.
     Namespace(EN),