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cosmetic changes

This commit is contained in:
Yuichi Nishiwaki 2014-02-09 03:15:50 +09:00
parent 49e5e3085b
commit a08a19bed1
1 changed files with 16 additions and 11 deletions
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11
piclib/built-in.scm
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@ -280,14 +280,19 @@
(lambda (form r compare)
(let ((bindings (cadr form))
(body (cddr form)))
(let ((vars (map car bindings)))
(let ((vars (map car bindings))
(gensym (lambda (var)
(string->symbol
(string-append
"parameterize-"
(symbol->string var))))))
`(,(r 'let) (,@(map (lambda (var)
`(,(r var) (,var)))
`(,(r (gensym var)) (,var)))
vars))
,@bindings
(,(r 'let) ((,(r 'result) (begin ,@body)))
,@(map (lambda (var)
`(,(r 'parameter-set!) ,var ,(r var)))
`(,(r 'parameter-set!) ,var ,(r (gensym var))))
vars)
,(r 'result))))))))