Exceptions/Catch an exception thrown in a nested call: Difference between revisions

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@@ Line 509: / Line 509: @@
 =={{header|D}}==
-{{incorrect|D|Function names wrong. foo() <-> baz().}}
 First exception will be caught and message will be displayed, second will be caught by default exception handler.
-<lang d>import std.stdio;
+<lang d>class U0 : Exception {
+    this() @safe pure nothrow { super("U0 error message"); }
-class U0 : Exception {
-    this() nothrow { super("U0 error message"); }
 }
 class U1 : Exception {
-    this() nothrow { super("U1 error message"); }
+    this() @safe pure nothrow { super("U1 error message"); }
 }
-void foo(in int i) pure {
+void foo() {
-    if (i)
+    import std.stdio;
-        throw new U1;
-    else
-        throw new U0;
-}
+    foreach (immutable i; 0 .. 2) {
-void bar(in int i) pure {
-    foo(i);
-}
-void baz() {
-    foreach (i; 0 .. 2) {
         try {
-            bar(i);
+            i.bar;
-        } catch (U0 e) {
+        } catch (U0) {
-            writeln("Exception U0 caught");
+            "Function foo caught exception U0".writeln;
         }
     }
+}
+void bar(in int i) @safe pure {
+    i.baz;
+}
+void baz(in int i) @safe pure {
+    throw i ? new U1 : new U0;
 }
 void main() {
-    baz();
+    foo;
 }</lang>
+{{output}}
-Result:
-<pre>test.U1@test.d(8): U1 error message
+<pre>test.U1(at)test.d(8): U1 error message
 ----------------
 \test.d(20): pure void test.bar(int)