cyclone/docs/api/scheme/cxr.md

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CxR Library

The (scheme cxr) library exports twenty-four procedures which are the compositions of from three to four car and cdr operations. For example caddar is defined by:

(define caddar
  (lambda (x) (car (cdr (cdr (car x))))))

The procedures car and cdr themselves and the four two-level compositions are included in the base library.

For more information see the R⁷RS Scheme Specification.

• caaar
• caadr
• cadar
• caddr
• cdaar
• cdadr
• cddar
• cdddr
• caaaar
• caaadr
• caadar
• caaddr
• cadaar
• cadadr
• caddar
• cadddr
• cdaaar
• cdaadr
• cdadar
• cdaddr
• cddaar
• cddadr
• cdddar
• cddddr

#caaar (caaar list) #caadr (caadr list) #cadar (cadar list) #caddr (caddr list) #cdaar (cdaar list) #cdadr (cdadr list) #cddar (cddar list) #cdddr (cdddr list) #caaaar (caaaar list) #caaadr (caaadr list) #caadar (caadar list) #caaddr (caaddr list) #cadaar (cadaar list) #cadadr (cadadr list) #caddar (caddar list) #cadddr (cadddr list) #cdaaar (cdaaar list) #cdaadr (cdaadr list) #cdadar (cdadar list) #cdaddr (cdaddr list) #cddaar (cddaar list) #cddadr (cddadr list) #cdddar (cdddar list) #cddddr (cddddr list)