Function: setcar

setcar is a function defined in data.c.

Signature

(setcar CELL NEWCAR)

Documentation

Set the car of CELL to be NEWCAR. Returns NEWCAR.

Other relevant functions are documented in the list group.

View in manual

Probably introduced at or before Emacs version 1.6.

Shortdoc

;; list
(setcar list 'c)
    => c

Aliases

rplaca

Source Code

// Defined in /usr/src/emacs/src/data.c
{
  CHECK_CONS (cell);
  XSETCAR (cell, newcar);
  return newcar;
}