Matthias Felleisen
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ede0e3c625
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at JPR's request: modified memq to return boolean and added memq? to teaching languages
the symmetry to member/member? suggested he is correct
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2012-12-30 14:38:32 -05:00 |
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Matthias Felleisen
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f733f149f5
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fix string-ith's error message; Closes PR 13197
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2012-10-17 20:27:12 -04:00 |
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Matthias Felleisen
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2981cbfd68
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added string-contains? at request from Ostermann
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2012-06-25 19:15:08 -04:00 |
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Matthias Felleisen
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f1c1376d87
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added 'range' to *sl per jpr's request and #lang-ified a couple of files
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2012-05-29 12:00:27 -04:00 |
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Guillaume Marceau
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adf965e92a
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Undoes the 'produces -> return' part of commit c31d352f, keeping the 'changes -> mutates' change and the assorted bug fixes it contained.
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2011-07-17 16:48:12 -04:00 |
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Guillaume Marceau
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c31d352f2b
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Standartize the vocabulary to "the function returns" and "set! mutates"
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2011-07-15 03:27:27 -04:00 |
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Guillaume Marceau
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aa9dbd21f5
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Updated the error message of check-expect. Fine tuning of the error messages.
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2011-07-06 05:35:25 -04:00 |
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Guillaume Marceau
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79589b9b9f
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The htdp test suite now checks that the correct error messages are thrown.
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2011-07-06 00:19:22 -04:00 |
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Guillaume Marceau
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2f3da4c4cd
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Changed the wording of BSL error messages
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2011-07-05 17:57:19 -04:00 |
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Eli Barzilay
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3157955d40
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".ss" -> ".rkt" scan done.
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2011-07-02 10:37:53 -04:00 |
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Matthias Felleisen
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e3c552b785
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boolean-valued functions in Intermediate and up now check their results; also fixed some error messages; Closes PR 11745
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2011-05-25 14:05:45 -04:00 |
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Mike Sperber
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d5c58d9f82
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Extends =~ to complex numbers
This is a (variation of a) fix from David van Horn.
Closes PR 11547.
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2010-12-26 09:03:10 +01:00 |
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Mike Sperber
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99e66e0dea
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Fix cycle detection in `tequal?'.
... and thus in `check-within', by using an eq? hash table. Also,
while we're at it, add cycle detection to `tech-equal?'.
Fixes PR #11423.
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2010-11-17 17:15:31 +01:00 |
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Vincent St-Amour
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c7d67f9bab
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*SL: first and rest should not report errors in terms of car and cdr.
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2010-11-09 21:16:17 -05:00 |
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Mike Sperber
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39541c51b5
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Add `tech-equal?'.
This refuses to work on inexact numbers and procedures. Use it in
`check-expect' & friends.
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2010-10-15 15:26:24 +02:00 |
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Mike Sperber
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87da2f35b9
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Provide English and German versions of deinprogramm/signature/signature.
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2010-10-08 11:19:38 +02:00 |
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Matthias Felleisen
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725da3b2ed
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fix string-ith problem, Closes PR 11261
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2010-09-28 18:07:10 -04:00 |
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Mike Sperber
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7304c061e3
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Add `cons-of' signature constructor to HtDP languages.
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2010-09-22 11:31:24 +02:00 |
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Jay McCarthy
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45a8854398
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Adding immutable hash operations to ASL
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2010-08-25 10:36:36 -06:00 |
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Jay McCarthy
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368d711ae2
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Optional arguments to hash table constructors in ASL
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2010-08-25 10:36:34 -06:00 |
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Jay McCarthy
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eeada45868
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Fixing error string
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2010-07-22 15:12:07 -06:00 |
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Jay McCarthy
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c9ccf6d48b
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Adding all hash prims per SK
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2010-07-16 09:43:03 -06:00 |
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Jay McCarthy
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d17deb5fef
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Adding hash table functions to ASL
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2010-07-15 15:45:54 -06:00 |
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Matthew Flatt
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043f97df97
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fix more test files
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2010-05-01 07:23:05 -06:00 |
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Matthew Flatt
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28b4043077
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rename all files .ss -> .rkt
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2010-04-27 16:50:15 -06:00 |
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