refactor: minor changes

src/language/scoping/safe-ds-scope-provider.ts

@@ -13,7 +13,6 @@ import {
     isSdsCallable,
     isSdsClass,
     isSdsEnum,
-    isSdsExpressionLambda,
     isSdsLambda,
     isSdsMemberAccess,
     isSdsMemberType,
@@ -123,19 +122,18 @@ export class SafeDsScopeProvider extends DefaultScopeProvider {
     }
 
     private localDeclarations(node: AstNode, outerScope: Scope): Scope {
-        // Own parameters
+        // Parameters
         const containingCallable = getContainerOfType(node.$container, isSdsCallable);
         const parameters = parametersOrEmpty(containingCallable?.parameterList);
 
-        // Own placeholders
-        const containingExpressionLambda = getContainerOfType(node.$container, isSdsExpressionLambda);
+        // Placeholders up to the containing statement
         const containingStatement = getContainerOfType(node.$container, isSdsStatement);
 
         let placeholders: Iterable<SdsPlaceholder>;
-        if (!containingExpressionLambda || isContainedIn(containingStatement, containingExpressionLambda)) {
+        if (!containingCallable || isContainedIn(containingStatement, containingCallable)) {
             placeholders = this.placeholdersUpToStatement(containingStatement);
         } else {
-            // We already jumped out of the expression lambda
+            // Placeholders are further away than the parameters
             placeholders = [];
         }