restructure std -> nib.types + change type naming convention

nib/default.nix

@@ -1,54 +1,55 @@
 {systems, ...}: let
-  mergeAttrsList = std.attrs.mergeAttrsList;
+  mergeAttrsList = types.mergeAttrsList;
 
-  std = import ./std {};
-  stdSubMods = {
-    attrs = std.attrs;
-    fault = std.fault;
-    lists = std.lists;
-    result = std.result;
-  };
+  submodArgs = {inherit nib;};
 
-  parse = import ./parse (mergeAttrsList [stdSubMods]);
+  # TODO: move this to a new module
+  mkMod' = args: mod: import mod args;
+  mkMod = mkMod' submodArgs;
+
+  parse = mkMod ./parse;
+  types = mkMod ./types;
+
+  nib = with types;
+    mergeAttrsList [
+      # submodule content is accessible first by submodule name
+      # then by the name of the content (ie self.submodule.myFunc)
+      {inherit parse types;}
+
+      # submodule is included directly to this module (ie self.myFunc)
+
+      # this module
+      {
+        # === External Functions ===
+        withPkgs = repo: config: system:
+          import repo {
+            inherit system;
+          }
+          // config;
+
+        mkSys = input: let
+          # function taking a system as argument
+          pkgsFor = input.pkgs;
+        in {
+          inherit pkgsFor;
+          forAllSystems = f:
+            std.attrs.genAttrs systems (
+              system: f system (pkgsFor system)
+            );
+        };
+
+        mkUSys = input: let
+          # functions taking a system as argument
+          pkgsFor = input.pkgs;
+          upkgsFor = input.upkgs;
+        in {
+          inherit pkgsFor upkgsFor;
+          forAllSystems = f:
+            std.attrs.genAttrs systems (
+              system: f system (pkgsFor system) (upkgsFor system)
+            );
+        };
+      }
+    ];
 in
-  mergeAttrsList [
-    # submodule content is accessible first by submodule name
-    # then by the name of the content (ie self.submodule.myFunc)
-    {inherit parse;}
-
-    # submodule is included directly to this module (ie self.myFunc)
-    std
-
-    # this module
-    {
-      # === External Functions ===
-      withPkgs = repo: config: system:
-        import repo {
-          inherit system;
-        }
-        // config;
-
-      mkSys = input: let
-        # function taking a system as argument
-        pkgsFor = input.pkgs;
-      in {
-        inherit pkgsFor;
-        forAllSystems = f:
-          std.attrs.genAttrs systems (
-            system: f system (pkgsFor system)
-          );
-      };
-
-      mkUSys = input: let
-        # functions taking a system as argument
-        pkgsFor = input.pkgs;
-        upkgsFor = input.upkgs;
-      in {
-        inherit pkgsFor upkgsFor;
-        forAllSystems = f:
-          std.attrs.genAttrs systems (
-            system: f system (pkgsFor system) (upkgsFor system)
-          );
-      };
-    }
-  ]
+  nib