fix block type extraction in row build; the block tree build resolves evals to whatever types it is using for expansion, but sometimes we need to see types which have been stripped for row building (e.g. tables)

src/eval/eval_core.h

@@ -1016,6 +1016,7 @@ internal B32        e_expr_kind_is_comparison(E_ExprKind kind);
 //~ rjf: Key Type Functions
 
 internal B32 e_key_match(E_Key a, E_Key b);
+internal E_Key e_key_zero(void);
 
 ////////////////////////////////
 //~ rjf: Type Key Type Functions
@@ -1131,6 +1132,9 @@ internal E_Interpretation e_interpretation_from_bundle(E_CacheBundle *bundle);
 #define e_bytecode_from_key(key) e_bytecode_from_bundle(e_cache_bundle_from_key(key))
 #define e_interpretation_from_key(key) e_interpretation_from_bundle(e_cache_bundle_from_key(key))
 
+//- rjf: key -> full expression string
+internal String8 e_full_expr_string_from_key(Arena *arena, E_Key key);
+
 //- rjf: comprehensive bundle
 internal E_Eval e_eval_from_bundle(E_CacheBundle *bundle);
 internal E_Eval e_value_eval_from_eval(E_Eval eval);