error: unexpected end of input, expected identifier
  --> tests/slice/red.rs:19:18
   |
19 |     let (_, _) = slice!();
   |                  ^^^^^^^^
   |
   = note: this error originates in the macro `slice` (in Nightly builds, run with -Z macro-backtrace for more info)

error: expected `.`
  --> tests/slice/red.rs:21:18
   |
21 |     let (_, _) = slice!(outer_signal);
   |                  ^^^^^^^^^^^^^^^^^^^^
   |
   = note: this error originates in the macro `slice` (in Nightly builds, run with -Z macro-backtrace for more info)

error: unexpected end of input, expected identifier or integer
  --> tests/slice/red.rs:23:18
   |
23 |     let (_, _) = slice!(outer_signal.);
   |                  ^^^^^^^^^^^^^^^^^^^^^
   |
   = note: this error originates in the macro `slice` (in Nightly builds, run with -Z macro-backtrace for more info)

error: unexpected end of input, expected identifier or integer
  --> tests/slice/red.rs:25:18
   |
25 |     let (_, _) = slice!(outer_signal.inner.);
   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: this error originates in the macro `slice` (in Nightly builds, run with -Z macro-backtrace for more info)
