TryFrom<&str> -> FromStr; impl Display for Operation"

atspi-common/src/events/object.rs

@@ -676,7 +676,7 @@ impl BusProperties for ChildrenChangedEvent {
 	fn from_message_parts(item: ObjectRef, body: Self::Body) -> Result<Self, AtspiError> {
 		Ok(Self {
 			item,
-			operation: body.kind.as_str().try_into()?,
+			operation: body.kind.as_str().parse()?,
 			index_in_parent: body.detail1,
 			child: body.any_data.try_into()?,
 		})
@@ -955,7 +955,7 @@ impl BusProperties for TextChangedEvent {
 	fn from_message_parts(item: ObjectRef, body: Self::Body) -> Result<Self, AtspiError> {
 		Ok(Self {
 			item,
-			operation: body.kind.as_str().try_into()?,
+			operation: body.kind.as_str().parse()?,
 			start_pos: body.detail1,
 			length: body.detail2,
 			text: body.any_data.try_into()?,
@@ -1168,7 +1168,7 @@ impl From<ChildrenChangedEvent> for EventBodyOwned {
 	fn from(event: ChildrenChangedEvent) -> Self {
 		EventBodyOwned {
 			properties: std::collections::HashMap::new(),
-			kind: event.operation.into(),
+			kind: event.operation.to_string(),
 			detail1: event.index_in_parent,
 			detail2: i32::default(),
 			// `OwnedValue` is constructed from the `ObjectRef`
@@ -1581,7 +1581,7 @@ impl From<TextChangedEvent> for EventBodyOwned {
 	fn from(event: TextChangedEvent) -> Self {
 		EventBodyOwned {
 			properties: std::collections::HashMap::new(),
-			kind: event.operation.into(),
+			kind: event.operation.to_string(),
 			detail1: event.start_pos,
 			detail2: event.length,
 

atspi-common/src/operation.rs

@@ -1,3 +1,6 @@
+use crate::AtspiError;
+use std::{fmt, str::FromStr};
+
 /// An operation can either be [`Self::Insert`] or [`Self::Delete`].
 /// These correspond to methods available on [`Vec`].
 #[derive(Debug, PartialEq, Clone, serde::Serialize, serde::Deserialize, Eq, Hash, Default)]
@@ -15,23 +18,22 @@ pub enum Operation {
 	Delete,
 }
 
-impl TryFrom<&str> for Operation {
-	type Error = crate::AtspiError;
-	fn try_from(s: &str) -> Result<Operation, Self::Error> {
+impl FromStr for Operation {
+	type Err = AtspiError;
+	fn from_str(s: &str) -> Result<Self, Self::Err> {
 		match s {
 			"add" | "add/system" | "insert" | "insert/system" => Ok(Operation::Insert),
 			"delete" | "delete/system" | "remove" | "remove/system" => Ok(Operation::Delete),
-			_ => Err(crate::AtspiError::KindMatch(format!("{s} is not a type of Operation"))),
+			_ => Err(AtspiError::KindMatch(format!("{s} is not a type of Operation"))),
 		}
 	}
 }
 
-impl From<Operation> for String {
-	fn from(op: Operation) -> String {
-		match op {
-			Operation::Insert => "insert",
-			Operation::Delete => "remove",
+impl fmt::Display for Operation {
+	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+		match self {
+			Operation::Insert => write!(f, "insert"),
+			Operation::Delete => write!(f, "delete"),
 		}
-		.to_string()
 	}
 }