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11 Commits

Author SHA1 Message Date
Mike Sperber
35f141b7bc Add some missing `delay's in DeinProgramm signatures. 
Spotted by: Stephen Chang
 2012-06-17 09:21:58 +02:00
Eli Barzilay
17090fca4f A bunch of fprintf' -> eprintf' conversions (and a few related things). 2012-05-06 12:06:00 -04:00
Robby Findler
7acc5b7852 adjust HtDP teaching languages' first and rest so that they accept circular lists. 
This commit fix an unintentional change introduced by this commit:
  c7d67f9bab
(and it also adds in test cases for what that commit appears to have
been doing)

Assuming everyone agrees that the behavior for first rest from back
in 2010 is the behavior we still want (and the lack of release notes
on the subject makes me believe that we do), then:

Please include in 5.2.
 2011-10-21 08:09:34 -05:00
Mike Sperber
d582dd55dd Fix bug in vector signatures. 2011-05-01 11:18:10 +02:00
Mike Sperber
69963a1f2c Fix bug in struct-wrap signature checking. 
Only check the fields if we know the struct type is right.
 2011-01-06 13:53:51 +01:00
Mike Sperber
fa854f62fc Add vector signatures, and `vector-of' to the HtDP signature syntax. 2010-12-19 11:20:51 +01:00
Vincent St-Amour
c7d67f9bab *SL: first and rest should not report errors in terms of car and cdr. 2010-11-09 21:16:17 -05:00
Mike Sperber
eebe5b2e2b 2nd attempt at generators for records/structs. 
This time, with feeling.
 2010-10-11 13:34:16 +02:00
Mike Sperber
f35477b82b Make the weak table for the signature-checked pairs truly weak. 
... by wrapping ephemerons around the values.
 2010-10-09 17:51:30 +02:00
Mike Sperber
219c91d8e7 Check parametric struct/record signatures eagerly. 2010-10-08 17:01:47 +02:00
Mike Sperber
87da2f35b9 Provide English and German versions of deinprogramm/signature/signature. 2010-10-08 11:19:38 +02:00