4 The COMMON-LISP Package

map

Function

Summary

Redefines the standardmap function allowing it to take any type specifier.

Package

common-lisp

Signature

map result-type function &rest sequences => result

Arguments

result-type: A sequence type specifier ornil.
function: A function designator.
sequence: A sequence.

Values

result: A sequence.

Description

Themap function has been extended to take any Common Lisp type. The result will be of type result-type unless this is not possible, in which case atype-error is signalled.

See also

concatenate
make-sequence
merge