add aliases for call, pipe and func"

lib.nix

@@ -66,6 +66,7 @@ let
       ++ [ (raw "") ]
     );
   pipe = join ".";
+  pipe1 = lft: rgt: pipe [ lft rgt ];
   spaceBetween = join " ";
 
   wrap = start: end: expr:
@@ -74,7 +75,9 @@ let
 
   call = fnName: args:
     concat [ (validFuncName fnName) (wrapParen (join ", " args)) ];
-  require = name: call "require" [ name ];
+  call0 = call [ ];
+  call1 = arg: call [ arg ];
+  require = name: call1 "require" name;
 
   kw_and = raw "and";
   kw_or = raw "or";
@@ -127,6 +130,7 @@ let
       ++ body
       ++ [ kw_end ])
     );
+  lambda = func "";
 
   return = expr: spaceBetween ([ kw_return expr ]);
   return_void = return null;
@@ -204,6 +208,8 @@ in
   # useful aliases
   var = raw;
   vars = map raw;
+  inherit call0 call1;
+  inherit lambda;
 
   inherit validString;
 }