Fix #326 - Spaces missing after attributes in function literals (#394)

Fix #326 - Spaces missing after attributes in function literals
merged-on-behalf-of: BBasile <BBasile@users.noreply.github.com>

src/dfmt/formatter.d

@@ -786,7 +786,7 @@ private:
         else if (astInformation.funLitStartLocations.canFindIndex(tIndex))
         {
             sBraceDepth++;
-            if (peekBackIs(tok!")"))
+            if (peekBackIsOneOf(true, tok!")", tok!"identifier"))
                 write(" ");
             auto e = expressionEndIndex(index);
             immutable int l = currentLineLength + tokens[index .. e].map!(a => tokenLength(a))

tests/allman/issue0326.d.ref

@@ -0,0 +1,4 @@
+void main()
+{
+    () @trusted { stderr.writeln("\033[01;33m", url, "\033[0m"); }();
+}

tests/issue0326.d

@@ -0,0 +1 @@
+void main(){()@trusted{stderr.writeln("\033[01;33m", url, "\033[0m");}();}

tests/otbs/issue0326.d.ref

@@ -0,0 +1,3 @@
+void main() {
+    () @trusted { stderr.writeln("\033[01;33m", url, "\033[0m"); }();
+}