misc-errors: Allow or make error enums non_exhaustive

crates/ruma-identifiers-validation/src/error.rs

@@ -4,6 +4,7 @@ use std::fmt;
 
 /// An error encountered when trying to parse an invalid ID string.
 #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq)]
+#[non_exhaustive]
 pub enum Error {
     /// The client secret is empty.
     EmptyClientSecret,

crates/ruma-serde/src/canonical_json.rs

@@ -24,6 +24,7 @@ pub fn to_string<T: Serialize>(val: &T) -> Result<String, Error> {
 
 /// The set of possible errors when serializing to canonical JSON.
 #[derive(Debug)]
+#[allow(clippy::exhaustive_enums)]
 pub enum Error {
     /// The numeric value failed conversion to js_int::Int.
     IntConvert,

crates/ruma-serde/src/canonical_json/value.rs

@@ -15,6 +15,7 @@ pub type Object = BTreeMap<String, CanonicalJsonValue>;
 
 /// Represents a canonical JSON value as per the Matrix specification.
 #[derive(Clone, Eq, PartialEq)]
+#[allow(clippy::exhaustive_enums)]
 pub enum CanonicalJsonValue {
     /// Represents a JSON null value.
     ///

crates/ruma-serde/src/urlencoded/ser.rs

@@ -52,6 +52,7 @@ impl<'input, 'output, Target: UrlEncodedTarget> Serializer<'input, 'output, Targ
 
 /// Errors returned during serializing to `application/x-www-form-urlencoded`.
 #[derive(Clone, Debug, PartialEq, Eq)]
+#[non_exhaustive]
 pub enum Error {
     /// UTF-8 validation failed.
     Utf8(str::Utf8Error),

crates/ruma-signatures/src/error.rs

@@ -109,6 +109,7 @@ impl JsonError {
 
 /// A JSON type enum for [`JsonError`] variants.
 #[derive(Debug)]
+#[allow(clippy::exhaustive_enums)]
 pub enum JsonType {
     /// A JSON Object.
     Object,
@@ -253,6 +254,7 @@ impl ParseError {
 
 /// An error when trying to extract the algorithm and version from a key identifier.
 #[derive(Error, Debug)]
+#[non_exhaustive]
 pub enum SplitError {
     /// The signature's ID does not have exactly two components separated by a colon.
     #[error("malformed signature ID: expected exactly 2 segment separated by a colon, found {0}")]

crates/ruma-signatures/src/verification.rs

@@ -50,6 +50,7 @@ impl Verifier for Ed25519Verifier {
 /// that the event has been redacted. In this case, receiving homeservers should store a redacted
 /// version of the event.
 #[derive(Clone, Debug, Hash, PartialEq)]
+#[allow(clippy::exhaustive_enums)]
 pub enum Verified {
     /// All signatures are valid and the content hashes match.
     All,

crates/ruma-state-res/src/error.rs

@@ -6,6 +6,7 @@ pub type Result<T> = std::result::Result<T, Error>;
 
 /// Represents the various errors that arise when resolving state.
 #[derive(Error, Debug)]
+#[non_exhaustive]
 pub enum Error {
     /// A deserialization error.
     #[error(transparent)]