-- | generates the free representation of a list of variable declarations
free_var_decls :: [VAR_DECL] -> [VAR_DECL]
free_var_decls = map free_var_decl
free_var_decls :: [VAR_DECL] -> [VAR_DECL]
free_var_decls = map free_var_decl
free_var_decls = map free_var_decl