Camm Maguire wrote:
Greetings! cmucl and clisp both seem to fail this too. Is string
supposed to be `(or (vector standard-char) (vector base-char) (vector
extended-char) (vector character))?
The three tests string-is-not-vector-of-character.[135]
have the note :nil-vectors-are-strings. This note indicates
the test is assuming that (vector nil) is a valid type,
that (upgraded-array-element-type nil) == nil, and that
(vector nil) is a subtype of string.
What this means is that you can't assume that every string
has the same underlying element type, since there are at
least two cases that must differ: (vector character)
and (vector nil).
This is not terribly important to implement. If you want
to disable these tests, add
#+gcl (rt::disable-note :nil-vectors-are-strings)
somewhere (the end of notes.lsp, say).
Paul
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