Stefan Monnier schrieb am Mo., 25. Mai 2015 um 04:39 Uhr: > > The documentation of `pcase-let' is very terse. Please expand it to > > state what happens to each binding in the case that the pattern of a > > binding matches, in the case where it doesn't match, and in the case > > where there are no binding constructs in a pattern. > > I added: > > The macro is expanded and optimized under the assumption that those > patterns *will* match, so a mismatch may go undetected or may cause > any kind of error." > > > Thanks. Though I think it would be better to be more defensive and guarantee to raise a signal in the case of a mismatch.