What the rot

source/fnc/canvas.d

@@ -0,0 +1,15 @@
+module fnc.canvas;
+
+import fnc.metadata;
+
+public struct Engine
+{
+public:
+final:
+    Glob glob;
+
+    Symbol interpret(Function func)
+    {
+        return null;
+    }
+}

source/fnc/metadata.d

@@ -87,7 +87,7 @@ final:
     Symbol[] attributes;
 }
 
-public struct Type
+public class Type
 {
 public:
 final:
@@ -110,7 +110,7 @@ final:
     }
 }
 
-public struct Function
+public class Function
 {
 public:
 final:
@@ -132,7 +132,13 @@ final:
     }
 }
 
-public struct Field
+alias Parameter = Field;
+alias Variable = Field;
+
+// Expressions and literals should also be represented by a field,
+// but I haven't yet worked this out.
+
+public class Field
 {
 public:
 final:
@@ -146,4 +152,25 @@ final:
     {
         return sym.parents[$-1];
     }
+}
+
+public class Module
+{
+public:
+final:
+    Symbol sym;
+    Symbol[] imports;
+    Field[string] fields;
+    Function[string] functions;
+}
+
+public class Glob
+{
+public:
+final:
+    Symbol[string] symbols;
+    Module[string] modules;
+    Type[string] types;
+    Field[string] fields;
+    Function[string] functions;
 }

spec/metadata.md → spec/metaprogramming.md

@@ -1,4 +1,4 @@
-# Metadata
+# Metaprogramming
 
 ## Member Evaluations