Meh I'll figure out submodules later

.config/nvim/pack/tree/start/plenary.nvim/lua/plenary/functional.lua

@@ -0,0 +1,77 @@
+local f = {}
+
+function f.kv_pairs(t)
+  local results = {}
+  for k, v in pairs(t) do
+    table.insert(results, { k, v })
+  end
+  return results
+end
+
+function f.kv_map(fun, t)
+  return vim.tbl_map(fun, f.kv_pairs(t))
+end
+
+function f.join(array, sep)
+  return table.concat(vim.tbl_map(tostring, array), sep)
+end
+
+local function bind_n(fn, n, a, ...)
+  if n == 0 then
+    return fn
+  end
+  return bind_n(function(...)
+    return fn(a, ...)
+  end, n - 1, ...)
+end
+
+function f.partial(fun, ...)
+  return bind_n(fun, select("#", ...), ...)
+end
+
+function f.any(fun, iterable)
+  for k, v in pairs(iterable) do
+    if fun(k, v) then
+      return true
+    end
+  end
+
+  return false
+end
+
+function f.all(fun, iterable)
+  for k, v in pairs(iterable) do
+    if not fun(k, v) then
+      return false
+    end
+  end
+
+  return true
+end
+
+function f.if_nil(val, was_nil, was_not_nil)
+  if val == nil then
+    return was_nil
+  else
+    return was_not_nil
+  end
+end
+
+function f.select_only(n)
+  return function(...)
+    local x = select(n, ...)
+    return x
+  end
+end
+
+f.first = f.select_only(1)
+f.second = f.select_only(2)
+f.third = f.select_only(3)
+
+function f.last(...)
+  local length = select("#", ...)
+  local x = select(length, ...)
+  return x
+end
+
+return f