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Redefining a keyword in mit-scheme
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MIT/GNU Scheme running under OS X | |
Type `^C' (control-C) followed by `H' to obtain information about interrupts. | |
Copyright (C) 2014 Massachusetts Institute of Technology | |
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
Image saved on Friday May 23, 2014 at 5:50:11 PM | |
Release 9.2 || Microcode 15.3 || Runtime 15.7 || SF 4.41 || LIAR/C 4.118 || Edwin 3.116 | |
1 ]=> (or (quote a) (quote b)) | |
;Value: a | |
1 ]=> (define or (quote my-or)) | |
;Value: or | |
1 ]=> or | |
;Value: my-or | |
1 ]=> (or (quote a) (quote b)) | |
;The object my-or is not applicable. | |
;To continue, call RESTART with an option number: | |
; (RESTART 2) => Specify a procedure to use in its place. | |
; (RESTART 1) => Return to read-eval-print level 1. | |
2 error> |
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