work on new eval-viz layer stringification which factors out measurement/limiting/etc., but just walks an eval tree and stringifies each part; start working on new types <-> lookup-rule stuff

src/eval/generated/eval.meta.c

@@ -14,7 +14,7 @@ str8_lit_comp("CharLiteral"),
 str8_lit_comp("Symbol"),
 };
 
-String8 e_type_kind_basic_string_table[57] =
+String8 e_type_kind_basic_string_table[58] =
 {
 str8_lit_comp(""),
 str8_lit_comp("void"),
@@ -73,9 +73,10 @@ str8_lit_comp("bitfield"),
 str8_lit_comp("variadic"),
 str8_lit_comp("set"),
 str8_lit_comp("lens"),
+str8_lit_comp("lens_spec"),
 };
 
-U8 e_type_kind_basic_byte_size_table[57] =
+U8 e_type_kind_basic_byte_size_table[58] =
 {
 0,
 0,
@@ -134,6 +135,7 @@ U8 e_type_kind_basic_byte_size_table[57] =
 0,
 0,
 0,
+0,
 };
 
 String8 e_expr_kind_strings[48] =