diff --git a/dub.sdl b/dub.sdl
index 3894cdc0..d8d31c79 100644
--- a/dub.sdl
+++ b/dub.sdl
@@ -9,7 +9,7 @@ targetPath "bin"
 targetName "d++"
 
 dependency "libclang" version="~>0.3.1"
-dependency "sumtype"  version="~>0.7.1"
+dependency "sumtype"  version="~>1.2.0"
 
 versions "SumTypeNoDefaultCtor"
 
diff --git a/source/dpp/clang/package.d b/source/dpp/clang/package.d
index 1c8077d8..dd97a6a7 100644
--- a/source/dpp/clang/package.d
+++ b/source/dpp/clang/package.d
@@ -118,3 +118,7 @@ bool hasAnonymousSpelling(in string spelling) @safe pure nothrow {
     import std.algorithm : canFind;
     return spelling.canFind("(anonymous") || spelling.canFind("(unnamed");
 }
+
+bool isSortaAnonymous(in from!"clang".Cursor cursor) @safe pure nothrow {
+    return cursor.spelling == "" || cursor.isAnonymous;
+}
diff --git a/source/dpp/runtime/context.d b/source/dpp/runtime/context.d
index 6ed23e53..d3e071ff 100644
--- a/source/dpp/runtime/context.d
+++ b/source/dpp/runtime/context.d
@@ -371,7 +371,8 @@ struct Context {
 
     /// return the spelling if it exists, or our made-up nickname for it if not
     string spellingOrNickname(in Cursor cursor) @safe pure {
-        if (cursor.spelling == "" || cursor.isAnonymous)
+        import dpp.clang: isSortaAnonymous;
+        if (cursor.isSortaAnonymous)
             return nickName(cursor);
 
         return spelling(cursor.spelling);
diff --git a/source/dpp/translation/translation.d b/source/dpp/translation/translation.d
index c27be99e..348d30f8 100644
--- a/source/dpp/translation/translation.d
+++ b/source/dpp/translation/translation.d
@@ -30,6 +30,7 @@ private bool skipTopLevel(in from!"clang".Cursor cursor,
     @safe
 {
     import dpp.translation.aggregate: isAggregateC;
+    import dpp.clang: isSortaAnonymous;
     import clang: Cursor;
     import std.algorithm: startsWith, canFind;
 
@@ -37,12 +38,11 @@ private bool skipTopLevel(in from!"clang".Cursor cursor,
         return true;
 
     // We want to ignore anonymous structs and unions but not enums. See #54
-    if((cursor.spelling == "" || cursor.isAnonymous) && cursor.kind == Cursor.Kind.EnumDecl)
+    if((cursor.isSortaAnonymous) && cursor.kind == Cursor.Kind.EnumDecl)
         return false;
 
     // don't bother translating top-level anonymous aggregates
-    const isAnon = cursor.spelling == "" || cursor.isAnonymous;
-    if(isAggregateC(cursor) && isAnon)
+    if(isAggregateC(cursor) && cursor.isSortaAnonymous)
         return true;
 
     if(context.options.ignoreMacros && cursor.kind == Cursor.Kind.MacroDefinition)
diff --git a/source/dpp/translation/typedef_.d b/source/dpp/translation/typedef_.d
index dca9b3fa..56731d47 100644
--- a/source/dpp/translation/typedef_.d
+++ b/source/dpp/translation/typedef_.d
@@ -72,11 +72,12 @@ string[] translateNonFunction(in from!"clang".Cursor cursor,
 private bool isTopLevelAnonymous(in from!"clang".Cursor[] children)
     @safe nothrow
 {
+    import dpp.clang: isSortaAnonymous;
     import clang: Cursor;
 
     return
         children.length == 1 && // so we can inspect it
-        (children[0].spelling == "" || children[0].isAnonymous) && // anonymous
+        children[0].isSortaAnonymous && // anonymous
         children[0].lexicalParent.kind == Cursor.Kind.TranslationUnit && // top-level
         children[0].kind != Cursor.Kind.ParmDecl // a lot more should be here
         ;
@@ -91,6 +92,7 @@ private string[] translateRegular(in from!"clang".Cursor cursor,
     import dpp.translation.type: translate, removeDppDecorators;
     import dpp.translation.aggregate: isAggregateC;
     import dpp.translation.dlang: maybeRename;
+    import dpp.clang: isSortaAnonymous;
     import clang: Type;
     import std.typecons: No;
 
@@ -102,7 +104,7 @@ private string[] translateRegular(in from!"clang".Cursor cursor,
             const isAnonymousEnum =
                 children.length == 1 &&
                 isAggregateC(children[0]) &&
-                children[0].spelling == "" &&
+                children[0].isSortaAnonymous &&
                 children[0].type.kind == Type.Kind.Enum
             ;