separate unique/explicit traits instead hidden

develop/all.lua

@@ -9,3 +9,7 @@ print '----------------------------------------'
 basics.describe_fuzz 'develop.fuzzing.destroy_fuzz'
 print '----------------------------------------'
 basics.describe_fuzz 'develop.fuzzing.batch_destroy_fuzz'
+print '----------------------------------------'
+basics.describe_fuzz 'develop.fuzzing.explicit_fuzz'
+print '----------------------------------------'
+basics.describe_fuzz 'develop.fuzzing.unique_fuzz'

develop/fuzzing/explicit_fuzz.lua

@@ -33,7 +33,7 @@ for _, entity in ipairs(all_entity_list) do
     end
 
     if math.random(1, 5) == 1 then
-        evo.set(entity, evo.HIDDEN)
+        evo.set(entity, evo.EXPLICIT)
     end
 end
 
@@ -64,7 +64,7 @@ for _ = 1, 100 do
         local fragment_list, fragment_count = chunk:fragments()
         for i = 1, fragment_count do
             local fragment = fragment_list[i]
-            assert(include_set[fragment] or not evo.has(fragment, evo.HIDDEN))
+            assert(include_set[fragment] or not evo.has(fragment, evo.EXPLICIT))
         end
     end
 

develop/fuzzing/unique_fuzz.lua

@@ -0,0 +1,67 @@
+local evo = require 'evolved'
+
+evo.debug_mode(true)
+
+---
+---
+---
+---
+---
+
+local __table_unpack = (function()
+    ---@diagnostic disable-next-line: deprecated
+    return table.unpack or unpack
+end)()
+
+---
+---
+---
+---
+---
+
+local all_entity_list = {} ---@type evolved.entity[]
+
+for i = 1, math.random(1, 10) do
+    local entity = evo.id()
+    all_entity_list[i] = entity
+end
+
+for _, entity in ipairs(all_entity_list) do
+    for _ = 0, math.random(0, #all_entity_list) do
+        local fragment = all_entity_list[math.random(1, #all_entity_list)]
+        evo.set(entity, fragment)
+    end
+
+    if math.random(1, 5) == 1 then
+        evo.set(entity, evo.UNIQUE)
+    end
+end
+
+---
+---
+---
+---
+---
+
+for _, entity in ipairs(all_entity_list) do
+    local entity_clone = evo.clone(entity)
+
+    for fragment in evo.each(entity_clone) do
+        assert(not evo.has(fragment, evo.UNIQUE))
+    end
+
+    for fragment in evo.each(entity) do
+        assert(evo.has(entity_clone, fragment) or evo.has(fragment, evo.UNIQUE))
+    end
+
+    evo.destroy(entity_clone)
+end
+
+---
+---
+---
+---
+---
+
+evo.destroy(__table_unpack(all_entity_list))
+evo.collect_garbage()

develop/untests.lua

@@ -6160,8 +6160,8 @@ end
 do
     local f1, f2, f3 = evo.id(3)
 
-    evo.set(f2, evo.HIDDEN)
-    evo.set(f3, evo.HIDDEN)
+    evo.set(f2, evo.UNIQUE)
+    evo.set(f3, evo.UNIQUE)
 
     do
         local p = evo.spawn { [f1] = 11, [f2] = 22 }
@@ -6239,7 +6239,7 @@ end
 do
     local f1, f2, f3 = evo.id(3)
 
-    evo.set(f2, evo.HIDDEN)
+    evo.set(f2, evo.UNIQUE)
 
     do
         local p = evo.spawn { [f1] = 11, [f2] = 22, [f3] = 33 }
@@ -6275,7 +6275,7 @@ do
 
         for c in evo.execute(q) do
             local fs, fc = c:fragments()
-            for i = 1, fc do assert(not evo.has(fs[i], evo.HIDDEN)) end
+            for i = 1, fc do assert(not evo.has(fs[i], evo.EXPLICIT)) end
         end
     end
 
@@ -6284,7 +6284,7 @@ do
 
         for c in evo.execute(q) do
             local fs, fc = c:fragments()
-            for i = 1, fc do assert(not evo.has(fs[i], evo.HIDDEN)) end
+            for i = 1, fc do assert(not evo.has(fs[i], evo.EXPLICIT)) end
         end
     end
 end
@@ -6292,7 +6292,7 @@ end
 do
     local f1, f2 = evo.id(2)
 
-    evo.set(f2, evo.HIDDEN)
+    evo.set(f2, evo.EXPLICIT)
 
     local e1 = evo.builder():set(f1, 11):spawn()
     local e2 = evo.builder():set(f1, 11):set(f2, 22):spawn()