"clear" function for all entity's fragments removing

README.md

@@ -35,6 +35,7 @@ registry.has_any -> entity -> entity... -> (boolean)
 registry.assign -> entity -> entity -> any -> (boolean)
 registry.insert -> entity -> entity -> any -> (boolean)
 registry.remove -> entity -> entity... -> (boolean)
+registry.clear -> entity -> (boolean)
 registry.query -> entity -> entity... -> (query)
 registry.execute -> query -> (() -> (chunk?))
 registry.chunk -> entity -> entity... -> (chunk)
@@ -55,6 +56,7 @@ entity:has_any -> entity... -> (boolean)
 entity:assign -> entity -> any -> (boolean)
 entity:insert -> entity -> any -> (boolean)
 entity:remove -> entity... -> (boolean)
+entity:clear -> (boolean)
 ```
 
 ### Instance `query`

develop/untests/registry_untests.lua

@@ -97,6 +97,24 @@ do
     assert(e:get(f) == 21)
 end
 
+do
+    local f1, f2 = evo.registry.entity(), evo.registry.entity()
+    local e = evo.registry.entity()
+
+    assert(e:insert(f1))
+    assert(e:insert(f2))
+    assert(e:is_alive())
+    assert(e.__chunk == evo.registry.chunk(f1, f2))
+
+    assert(e:clear())
+    assert(e:is_alive())
+    assert(e.__chunk == nil)
+
+    assert(not e:clear())
+    assert(e:is_alive())
+    assert(e.__chunk == nil)
+end
+
 do
     local f1, f2 = evo.registry.entity(), evo.registry.entity()
 

evolved/registry.lua

@@ -439,6 +439,17 @@ function registry.remove(entity, ...)
     return true
 end
 
+---@param entity evolved.entity
+---@return boolean is_cleared
+function registry.clear(entity)
+    if entity.__chunk == nil then
+        return false
+    end
+
+    __detach_entity(entity)
+    return true
+end
+
 ---@param fragment evolved.entity
 ---@param ... evolved.entity
 ---@return evolved.query
@@ -554,6 +565,7 @@ evolved_entity_mt.has_any = registry.has_any
 evolved_entity_mt.assign = registry.assign
 evolved_entity_mt.insert = registry.insert
 evolved_entity_mt.remove = registry.remove
+evolved_entity_mt.clear = registry.clear
 
 function evolved_query_mt:__tostring()
     local fragment_ids = ''