ENH dynamically arrange all panels

core

@@ -1 +1 @@
-Subproject commit 387195607eb3a481596b6da45ec0b12b5f3c97d1
+Subproject commit becc24a2c79a582e10db348be435b18f9aba310f

drawing/common.lua

@@ -658,6 +658,7 @@ local _combine_blocks = function(acc, new)
    if new.active == true then
       local n = new.f(acc.y + new.offset)
       table.insert(acc.objs, n.obj)
+      acc.w = math.max(acc.w, n.w)
       acc.y = acc.y + n.h + new.offset
    end
    return acc
@@ -671,18 +672,20 @@ M.reduce_blocks_inner = function(f, header, point, width, blocks)
    local mk_header = function(y)
       local obj = M.make_header(point.x, y, width, header)
       return M.mk_acc_static(
+         width,
          obj.bottom_y - y,
          function(cr) M.draw_header(cr, obj) end
       )
    end
    local r = pure.reduce(
       _combine_blocks,
-      {y = point.y, objs = {}},
+      {w = 0, y = point.y, objs = {}},
       {M.mk_block(mk_header, true, 0), table.unpack(blocks)}
    )
    local us, ss, ds = table.unpack(pure.unzip(r.objs))
    return {
-      y = r.y,
+      next_x = point.x + r.w,
+      next_y = r.y,
       update = f(table.unpack(non_false(pure.reverse(us)))),
       static = pure.sequence(table.unpack(ss)),
       dynamic = pure.sequence(table.unpack(non_false(ds)))
@@ -693,12 +696,12 @@ M.reduce_blocks = pure.partial(M.reduce_blocks_inner, pure.compose)
 
 M.reduce_blocks_ = pure.partial(M.reduce_blocks_inner, pure.sequence)
 
-M.mk_acc = function(h, u, s, d)
+M.mk_acc = function(w, h, u, s, d)
-   return {h = h, obj = {u, s, d}}
+   return {w = w, h = h, obj = {u, s, d}}
 end
 
-M.mk_acc_static = function(h, s)
+M.mk_acc_static = function(w, h, s)
-   return M.mk_acc(h, false, s, false)
+   return M.mk_acc(w, h, false, s, false)
 end
 
 M.mk_block = function(f, active, offset)
@@ -707,7 +710,7 @@ end
 
 M.mk_seperator = function(width, x, y)
    local separator = M.make_separator(x, y, width)
-   return M.mk_acc_static(0, pure.partial(line.draw, separator))
+   return M.mk_acc_static(width, 0, pure.partial(line.draw, separator))
 end
 
 return M

drawing/filesystem.lua

@@ -19,13 +19,14 @@ return function(pathspecs, point)
          geometry.SECTION_WIDTH,
          'SMART Daemon'
       )
-      local update = function(trigger)
+      local update = function(state)
-         if trigger == 0 then
+         if state.trigger10 == 0 then
             local pid = i_o.execute_cmd('pidof smartd', nil, '*n')
             common.text_row_set(obj, (pid == '') and 'Error' or 'Running')
          end
       end
       return common.mk_acc(
+         geometry.SECTION_WIDTH,
          0,
          update,
          pure.partial(common.text_row_draw_static, obj),
@@ -61,12 +62,13 @@ return function(pathspecs, point)
       local read_fs = function(index, cmd)
          common.compound_bar_set(obj, index, i_o.conky_numeric(cmd))
       end
-      local update = function(trigger)
+      local update = function(state)
-         if trigger == 0 then
+         if state.trigger10 == 0 then
             impure.ieach(read_fs, CONKY_CMDS)
          end
       end
       return common.mk_acc(
+         geometry.SECTION_WIDTH,
          (#pathspecs - 1) * SPACING,
          update,
          pure.partial(common.compound_bar_draw_static, obj),

drawing/graphics.lua

@@ -42,7 +42,13 @@ return function(update_freq, point)
       )
       local static = pure.partial(common.tagged_percent_timeseries_draw_static, obj)
       local dynamic = pure.partial(common.tagged_percent_timeseries_draw_dynamic, obj)
-      return common.mk_acc(PLOT_HEIGHT + PLOT_SEC_BREAK, update, static, dynamic)
+      return common.mk_acc(
+         geometry.SECTION_WIDTH,
+         PLOT_HEIGHT + PLOT_SEC_BREAK,
+         update,
+         static,
+         dynamic
+      )
    end
 
    -----------------------------------------------------------------------------
@@ -64,7 +70,7 @@ return function(update_freq, point)
       end
       local static = pure.partial(common.text_row_draw_static, obj)
       local dynamic = pure.partial(common.text_row_draw_dynamic, obj)
-      return common.mk_acc(0, update, static, dynamic)
+      return common.mk_acc(geometry.SECTION_WIDTH, 0, update, static, dynamic)
    end
 
    local mk_sep = pure.partial(
@@ -94,7 +100,7 @@ return function(update_freq, point)
       )
       local static = pure.partial(common.threshold_text_row_draw_static, obj)
       local dynamic = pure.partial(common.threshold_text_row_draw_dynamic, obj)
-      return common.mk_acc(0, update, static, dynamic)
+      return common.mk_acc(geometry.SECTION_WIDTH, 0, update, static, dynamic)
    end
 
    -----------------------------------------------------------------------------
@@ -119,7 +125,7 @@ return function(update_freq, point)
       end
       local static = pure.partial(common.text_rows_draw_static, obj)
       local dynamic = pure.partial(common.text_rows_draw_dynamic, obj)
-      return common.mk_acc(TEXT_SPACING, update, static, dynamic)
+      return common.mk_acc(geometry.SECTION_WIDTH, TEXT_SPACING, update, static, dynamic)
    end
 
    -----------------------------------------------------------------------------
@@ -227,5 +233,5 @@ return function(update_freq, point)
          common.mk_block(mk_vid_util, true, PLOT_SEC_BREAK)
       }
    )
-   return pure.map_at("update", function(f) return function() f(update_state()) end end, rbs)
+   return pure.map_at("update", function(f) return function(_) f(update_state()) end end, rbs)
 end

drawing/memory.lua

@@ -79,7 +79,7 @@ return function(update_freq, point)
          common.dial_draw_dynamic(swap, cr)
          common.text_rows_draw_dynamic(cache, cr)
       end
-      return common.mk_acc(DIAL_DIAMETER, update, static, dynamic)
+      return common.mk_acc(geometry.SECTION_WIDTH, DIAL_DIAMETER, update, static, dynamic)
    end
 
    -----------------------------------------------------------------------------
@@ -94,6 +94,7 @@ return function(update_freq, point)
          update_freq
       )
       return common.mk_acc(
+         geometry.SECTION_WIDTH,
          PLOT_HEIGHT,
          function(s) timeseries.update(obj, s.mem.used_percent) end,
          pure.partial(timeseries.draw_static, obj),
@@ -131,6 +132,7 @@ return function(update_freq, point)
          end
       end
       return common.mk_acc(
+         geometry.SECTION_WIDTH,
          TABLE_HEIGHT,
          update,
          pure.partial(text_table.draw_static, obj),
@@ -188,5 +190,5 @@ return function(update_freq, point)
          common.mk_block(mk_tbl, true, TABLE_SECTION_BREAK),
       }
    )
-   return pure.map_at("update", function(f) return function() f(read_state()) end end, rbs)
+   return pure.map_at("update", function(f) return function(_) f(read_state()) end end, rbs)
 end

drawing/network.lua

@@ -53,6 +53,7 @@ return function(update_freq, point)
          state[key]
       )
       return common.mk_acc(
+         geometry.SECTION_WIDTH,
          PLOT_HEIGHT + PLOT_SEC_BREAK,
          function(s) common.update_rate_timeseries(obj, s[key]) end,
          pure.partial(common.tagged_scaled_timeseries_draw_static, obj),
@@ -76,5 +77,5 @@ return function(update_freq, point)
       }
    )
 
-   return pure.map_at("update", function(f) return function() f(read_interfaces()) end end, rbs)
+   return pure.map_at("update", function(f) return function(_) f(read_interfaces()) end end, rbs)
 end

drawing/pacman.lua

@@ -16,8 +16,11 @@ return function(point)
          TEXT_SPACING,
          {'Total', 'Explicit', 'Outdated', 'Orphaned', 'Local'}
       )
-      local update = function(pacman_stats)
+      local update = function(state)
-         local stats = __string_match(pacman_stats, '%d+%s+[^%s]+%s+[^%s]+%s+(.*)$')
+         local stats = __string_match(
+            state.pacman_stats,
+            '%d+%s+[^%s]+%s+[^%s]+%s+(.*)$'
+         )
          if stats then
             local i = 1
             for v in __string_gmatch(stats, '%d+') do
@@ -31,6 +34,7 @@ return function(point)
          end
       end
       return common.mk_acc(
+         geometry.SECTION_WIDTH,
          TEXT_SPACING * 4,
          update,
          pure.partial(common.text_rows_draw_static, obj),

drawing/power.lua

@@ -53,6 +53,7 @@ return function(update_freq, battery, point)
          read()
       )
       return common.mk_acc(
+         geometry.SECTION_WIDTH,
          PLOT_HEIGHT + PLOT_SEC_BREAK,
          function(_) common.update_rate_timeseries(obj, read()) end,
          mk_static(obj),
@@ -95,9 +96,10 @@ return function(update_freq, battery, point)
          update_freq
       )
       return common.mk_acc(
+         geometry.SECTION_WIDTH,
          PLOT_HEIGHT + PLOT_SEC_BREAK,
-         function(ac)
+         function(state)
-            common.tagged_scaled_timeseries_set(obj, read_battery_power(ac))
+            common.tagged_scaled_timeseries_set(obj, read_battery_power(state.is_using_ac))
          end,
          mk_static(obj),
          mk_dynamic(obj)

drawing/processor.lua

@@ -102,7 +102,13 @@ return function(update_freq, point)
             compound_dial.draw_dynamic(cores[i].loads, cr)
          end
       end
-      return common.mk_acc(DIAL_OUTER_RADIUS * 2, update, static, dynamic)
+      return common.mk_acc(
+         geometry.SECTION_WIDTH,
+         DIAL_OUTER_RADIUS * 2,
+         update,
+         static,
+         dynamic
+      )
    end
 
    -----------------------------------------------------------------------------
@@ -129,7 +135,13 @@ return function(update_freq, point)
       end
       local static = pure.partial(common.text_rows_draw_static, cpu_status)
       local dynamic = pure.partial(common.text_rows_draw_dynamic, cpu_status)
-      return common.mk_acc(TEXT_SPACING, update, static, dynamic)
+      return common.mk_acc(
+         geometry.SECTION_WIDTH,
+         TEXT_SPACING,
+         update,
+         static,
+         dynamic
+      )
    end
 
    -----------------------------------------------------------------------------
@@ -163,7 +175,13 @@ return function(update_freq, point)
       end
       local static = pure.partial(common.tagged_percent_timeseries_draw_static, total_load)
       local dynamic = pure.partial(common.tagged_percent_timeseries_draw_dynamic, total_load)
-      return common.mk_acc(PLOT_HEIGHT + PLOT_SECTION_BREAK, update, static, dynamic)
+      return common.mk_acc(
+         geometry.SECTION_WIDTH,
+         PLOT_HEIGHT + PLOT_SECTION_BREAK,
+         update,
+         static,
+         dynamic
+      )
    end
 
    -----------------------------------------------------------------------------
@@ -196,7 +214,13 @@ return function(update_freq, point)
       end
       local static = pure.partial(text_table.draw_static, tbl)
       local dynamic = pure.partial(text_table.draw_dynamic, tbl)
-      return common.mk_acc(TABLE_HEIGHT, update, static, dynamic)
+      return common.mk_acc(
+         geometry.SECTION_WIDTH,
+         TABLE_HEIGHT,
+         update,
+         static,
+         dynamic
+      )
    end
 
    -----------------------------------------------------------------------------
@@ -218,8 +242,8 @@ return function(update_freq, point)
    return pure.map_at(
       "update",
       function(f)
-         return function(trigger)
+         return function(main_state)
-            f(update_state(trigger, state.cpu_loads))
+            f(update_state(main_state.trigger10, state.cpu_loads))
          end
       end,
       rbs

drawing/readwrite.lua

@@ -36,6 +36,8 @@ return function(update_freq, devices, point)
          state[key]
       )
       return common.mk_acc(
+         -- TODO construct this more sanely without referring to hardcoded vars
+         geometry.SECTION_WIDTH,
          PLOT_HEIGHT + PLOT_SEC_BREAK,
          function() common.update_rate_timeseries(obj, state[key]) end,
          pure.partial(common.tagged_scaled_timeseries_draw_static, obj),
@@ -62,7 +64,7 @@ return function(update_freq, devices, point)
    return pure.map_at(
       "update",
       function(f)
-         return function()
+         return function(_)
             state.read, state.write = sys.get_total_disk_io(DEVICE_PATHS)
             f()
          end

drawing/static.lua

@@ -4,33 +4,51 @@ local geometry = require 'geometry'
 local geom = require 'geom'
 local fill_rect = require 'fill_rect'
 
-local _combine_modules = function(acc, new)
+local reduce_modules_y = function(init_x, acc, new)
-   local n = new(acc.point)
+   if type(new) == "number" then
-   table.insert(acc.funs, n.fun)
+      acc.next_y = acc.next_y + new
-   acc.point = geom.make_point(acc.point.x, acc.point + n.y)
+   else
+      local r = new(geom.make_point(init_x, acc.next_y))
+      table.insert(acc.fgroups, {update = r.update, static = r.static, dynamic = r.dynamic})
+      acc.next_x = math.max(acc.next_x, r.next_x)
+      acc.next_y = r.next_y
+   end
    return acc
 end
 
-local reduce_modules_inner = function(y, mods)
+local reduce_modules_x = function(init_y, acc, x_mods)
-   local r = pure.reduce(_combine_modules, {y = y, mods = {}}, mods)
+   if type(x_mods) == "number" then
-   -- local us, ss, ds = table.unpack(pure.unzip(r.mods))
+      acc.next_x = acc.next_x + x_mods
-   return pure.unzip(r.mods)
+   else
-   -- return {
+      local r = pure.reduce(
-   --    updater = pure.sequence(table.unpack(us)),
+         pure.partial(reduce_modules_y, acc.next_x),
-   --    draw_static = pure.sequence(table.unpack(ss)),
+         {next_x = acc.next_x, next_y = init_y, fgroups = acc.fgroups},
-   --    draw_dynamic = pure.sequence(table.unpack(ds))
+         x_mods
-   -- }
+      )
+      acc.fgroups = r.fgroups
+      acc.next_x = r.next_x
+      acc.next_y = math.max(acc.next_y, r.next_y)
+   end
+   return acc
 end
 
-return function(module_sets)
+local arrange_panel_modules = function(point, mods)
-   local __cairo_set_source_surface = cairo_set_source_surface
+   local r = pure.reduce(
-   local __cairo_image_surface_create = cairo_image_surface_create
+      pure.partial(reduce_modules_x, point.y),
-   local __cairo_translate = cairo_translate
+      {next_x = point.x, next_y = point.y, fgroups = {}},
-   local __cairo_create = cairo_create
+      mods
-   local __cairo_destroy = cairo_destroy
+   )
-   local __cairo_paint = cairo_paint
+   return {
+      point_ul = point,
+      width = r.next_x - point.x,
+      height = r.next_y - point.y,
+      update = pure.map_keys('update', r.fgroups),
+      static = pure.map_keys('static', r.fgroups),
+      dynamic = pure.map_keys('dynamic', r.fgroups),
+   }
+end
 
-   local _make_static_surface = function(box, modules)
+local build_surface = function(box, fs)
    local panel_line_thickness = 1
    -- move over by half a pixel so the lines don't need to be antialiased
    local _x = box.corner.x + 0.5
@@ -41,52 +59,62 @@ return function(module_sets)
    local cs_w = box.width + panel_line_thickness
    local cs_h = box.height + panel_line_thickness
 
-      local cs = __cairo_image_surface_create(CAIRO_FORMAT_ARGB32, cs_w, cs_h)
+   local cs = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, cs_w, cs_h)
-      local cr = __cairo_create(cs)
+   local cr = cairo_create(cs)
 
-      __cairo_translate(cr, -cs_x, -cs_y)
+   cairo_translate(cr, -cs_x, -cs_y)
 
    fill_rect.draw(panel, cr)
-      for _, f in pairs(modules) do
+   for i = 1, #fs do
-         f(cr)
+      fs[i](cr)
-      end
-      __cairo_destroy(cr)
-      return { x = cs_x, y = cs_y, s = cs }
    end
+   cairo_destroy(cr)
+   return {x = cs_x, y = cs_y, s = cs}
+end
 
-   -- TODO pull this out eventually
+local reduce_static = function(y, margins, spacing, acc, panel_mods)
-   local boxes = {
+   if type(panel_mods) == "number" then
-      geom.make_box(
+      acc.next_x = acc.next_x + panel_mods
-         geometry.LEFT_X - geometry.PANEL_MARGIN_X,
+   else
-         geometry.TOP_Y - geometry.PANEL_MARGIN_Y,
+      local mpoint = geom.make_point(acc.next_x + margins.x, y + margins.y)
-         geometry.SECTION_WIDTH + geometry.PANEL_MARGIN_X * 2,
+      local r = arrange_panel_modules(mpoint, panel_mods)
-         geometry.SIDE_HEIGHT + geometry.PANEL_MARGIN_Y * 2
+      local w = r.width + margins.x * 2
+      local h = r.height + margins.y * 2
+      local pbox = geom.make_box(acc.next_x, y, w, h)
+      acc.next_x = acc.next_x + w
+      acc.static = pure.flatten({acc.static, {build_surface(pbox, r.static)}})
+      acc.update = pure.flatten({acc.update, r.update})
+      acc.dynamic = pure.flatten({acc.dynamic, r.dynamic})
+   end
+   return acc
+end
+
+return function(point, module_sets)
+   local __cairo_set_source_surface = cairo_set_source_surface
+   local __cairo_paint = cairo_paint
+
+   local r = pure.reduce(
+      pure.partial(
+         reduce_static,
+         point.y,
+         {x = geometry.PANEL_MARGIN_X, y = geometry.PANEL_MARGIN_Y},
+         20
       ),
-      geom.make_box(
+      {next_x = point.x, static = {}, update = {}, dynamic = {}},
-         geometry.CENTER_LEFT_X - geometry.PANEL_MARGIN_X,
+      module_sets
-         geometry.TOP_Y - geometry.PANEL_MARGIN_Y,
-         geometry.CENTER_WIDTH + geometry.PANEL_MARGIN_Y * 2 + geometry.CENTER_PAD,
-         geometry.CENTER_HEIGHT + geometry.PANEL_MARGIN_Y * 2
-      ),
-      geom.make_box(
-         geometry.RIGHT_X - geometry.PANEL_MARGIN_X,
-         geometry.TOP_Y - geometry.PANEL_MARGIN_Y,
-         geometry.SECTION_WIDTH + geometry.PANEL_MARGIN_X * 2,
-         geometry.SIDE_HEIGHT + geometry.PANEL_MARGIN_Y * 2
    )
-   }
 
-   local cs = pure.zip_with(_make_static_surface, boxes, module_sets)
+   local cs = r.static
 
-   local draw_static_surface = function(cr, cs_obj)
+   return {
-      __cairo_set_source_surface(cr, cs_obj.s, cs_obj.x, cs_obj.y)
+      static = function(cr)
+         for i = 1, #cs do
+            local c = cs[i]
+            __cairo_set_source_surface(cr, c.s, c.x, c.y)
             __cairo_paint(cr)
          end
-
+      end,
-   -- return a table with update, static, and dynamic components
+      update = pure.sequence(table.unpack(r.update)),
-   return function(cr)
+      dynamic = pure.sequence(table.unpack(r.dynamic)),
-      for i = 1, #cs do
+   }
-         draw_static_surface(cr, cs[i])
-      end
-   end
 end

drawing/system.lua

@@ -16,10 +16,13 @@ return function(point)
          TEXT_SPACING,
          {'Kernel', 'Uptime', 'Last Upgrade', 'Last Sync'}
       )
-      local update = function(pacman_stats)
+      local update = function(state)
          local last_update, last_sync
-         if pacman_stats then
+         if state.pacman_stats then
-            last_update, last_sync = __string_match(pacman_stats, "^%d+%s+([^%s]+)%s+([^%s]+).*")
+            last_update, last_sync = __string_match(
+               state.pacman_stats,
+               "^%d+%s+([^%s]+)%s+([^%s]+).*"
+            )
          end
          -- TODO this doesn't need to be update every time
          common.text_rows_set(obj, 1, i_o.conky('$kernel'))
@@ -29,7 +32,13 @@ return function(point)
       end
       local static = pure.partial(common.text_rows_draw_static, obj)
       local dynamic = pure.partial(common.text_rows_draw_dynamic, obj)
-      return common.mk_acc(TEXT_SPACING * 3, update, static, dynamic)
+      return common.mk_acc(
+         geometry.SECTION_WIDTH,
+         TEXT_SPACING * 3,
+         update,
+         static,
+         dynamic
+      )
    end
 
    return common.reduce_blocks_(

main.lua

@@ -18,7 +18,7 @@ package.path = ABS_PATH..'?.lua;'..
 
 local i_o 			= require 'i_o'
 local geom 			= require 'geom'
-local geometry 		= require 'geometry'
+local pure 			= require 'pure'
 local sys 			= require 'sys'
 local system 		= require 'system'
 local network 		= require 'network'
@@ -33,6 +33,8 @@ local static		= require 'static'
 
 local draw_dynamic
 
+local main_state = {}
+
 function conky_start(update_interval)
    conky_set_update_interval(update_interval)
 
@@ -48,57 +50,39 @@ function conky_start(update_interval)
       {'/tmp', 'tmpfs'}
    }
 
-   local mem = memory(update_freq, geom.make_point(geometry.RIGHT_X, 712))
+   local mem = pure.partial(memory, update_freq)
-   local rw = readwrite(update_freq, devices, geom.make_point(geometry.CENTER_LEFT_X, geometry.TOP_Y))
+   local rw = pure.partial(readwrite, update_freq, devices)
-   local net = network(update_freq, geom.make_point(geometry.CENTER_RIGHT_X, geometry.TOP_Y))
+   local net = pure.partial(network, update_freq)
-   local pwr = power(update_freq, battery, geom.make_point(geometry.RIGHT_X, 380))
+   local pwr = pure.partial(power, update_freq, battery)
-   local fs = filesystem(fs_paths, geom.make_point(geometry.RIGHT_X, 170))
+   local fs = pure.partial(filesystem, fs_paths)
-   local stm = system(geom.make_point(geometry.LEFT_X, geometry.TOP_Y))
+   local stm = system
-   local gfx = graphics(update_freq, geom.make_point(geometry.LEFT_X, 145))
+   local gfx = pure.partial(graphics, update_freq)
-   local proc = processor(update_freq, geom.make_point(geometry.LEFT_X, 614))
+   local proc = pure.partial(processor, update_freq)
-   local pcm = pacman(geom.make_point(geometry.RIGHT_X, geometry.TOP_Y))
+   local pcm = pacman
 
    local using_ac = sys.battery_status_reader(battery)
 
-   local draw_static = static(
+   local compiled = static(
+      geom.make_point(12, 11),
       {
-         {stm.static, gfx.static, proc.static},
+         {{stm, 19, gfx, 16, proc}},
-         {rw.static, net.static},
+         10,
-         {pcm.static, fs.static, pwr.static, mem.static}
+         {{rw}, 20, {net}},
+         10,
+         {{pcm, 24, fs, 24, pwr, 19, mem}}
       }
    )
 
    local STATS_FILE = '/tmp/.conky_pacman'
 
    draw_dynamic = function(cr, _updates)
-      -- draw static components
+      main_state.trigger10 = _updates % (update_freq * 10)
-      draw_static(cr)
+      main_state.pacman_stats = i_o.read_file(STATS_FILE)
+      main_state.is_using_ac = using_ac()
 
-      -- update dynamic components
+      compiled.static(cr)
-      local t1 = _updates % (update_freq * 10)
+      compiled.update(main_state)
-      local pacman_stats = i_o.read_file(STATS_FILE)
+      compiled.dynamic(cr)
-      local is_using_ac = using_ac()
-
-      stm.update(pacman_stats)
-      gfx.update()
-      proc.update(t1)
-      rw.update()
-      net.update()
-      pcm.update(pacman_stats)
-      fs.update(t1)
-      pwr.update(is_using_ac)
-      mem.update()
-
-      -- draw dynamic components
-      stm.dynamic(cr)
-      gfx.dynamic(cr)
-      proc.dynamic(cr)
-      rw.dynamic(cr)
-      net.dynamic(cr)
-      pcm.dynamic(cr)
-      fs.dynamic(cr)
-      pwr.dynamic(cr)
-      mem.dynamic(cr)
    end
 end