Clarifying non obvious syntax with cryptic error

theaspect · nikitabobko · commit 325a81961390 · 2025-07-10T14:56:03.000+02:00
closes #177
diff --git a/proposals/KEEP-0164-coroutines.md b/proposals/KEEP-0164-coroutines.md
@@ -626,6 +626,7 @@ The following style is recommended for library defined context elements.
 The example below shows a hypothetical authorization context element that stores current user name:
 
 ```kotlin
+                                                                // ↓ AuthUser here is a reference to the companion object, shorthand for AuthUser.Key
 class AuthUser(val name: String) : AbstractCoroutineContextElement(AuthUser) {
     companion object Key : CoroutineContext.Key<AuthUser>
 }

Original file line number	Diff line number	Diff line change
`@@ -626,6 +626,7 @@ The following style is recommended for library defined context elements.`
`626`	`626`	`The example below shows a hypothetical authorization context element that stores current user name:`
`627`	`627`
`628`	`628`	```kotlin
	`629`	`+ // ↓ AuthUser here is a reference to the companion object, shorthand for AuthUser.Key`
`629`	`630`	`class AuthUser(val name: String) : AbstractCoroutineContextElement(AuthUser) {`
`630`	`631`	`companion object Key : CoroutineContext.Key<AuthUser>`
`631`	`632`	`}`