parser_double_colon_in_bound = expected `:` followed by trait or lifetime
.suggestion = use single colon
+
+parser_fn_ptr_with_generics = function pointer types may not have generic parameters
+ .suggestion = consider moving the lifetime {$arity ->
+ [one] parameter
+ *[other] parameters
+ } to {$for_param_list_exists ->
+ [true] the
+ *[false] a
+ } `for` parameter list