16 lines
471 B
Common Lisp
16 lines
471 B
Common Lisp
[let defun [mac [name args body]
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[list let name nil]
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[list = name [list fun args body]]]]
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[defun square [x] [* x x]]
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[let inc [mac [s] [list [q =] s [list [q +] s 1]]]]
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[defun to-upper [str] [capture-upper [print str]]]
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[defun to-lower [str] [capture-lower [print str]]]
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[defun last [x] [if [cdr x] [last [cdr x]] [car x]]]
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[defun del-last [x] [if [cdr [cdr x]] [del-last [cdr x]] [setcdr x nil]]]
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[defun nth [a n] [if [is n 0] [car a] [nth [cdr a] [- n 1]]]]
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