`lib/list-selectors.x`

Optional compound List selectors.

Primary API

Function	Summary
`List.caaaar`	Returns `car(car(car(car(value))))`.
`List.caaadr`	Returns `car(car(car(cdr(value))))`.
`List.caaar`	Returns `car(car(car(value)))`.
`List.caadar`	Returns `car(car(cdr(car(value))))`.
`List.caaddr`	Returns `car(car(cdr(cdr(value))))`.
`List.caadr`	Returns `car(car(cdr(value)))`.
`List.cadaar`	Returns `car(cdr(car(car(value))))`.
`List.cadadr`	Returns `car(cdr(car(cdr(value))))`.
`List.cadar`	Returns `car(cdr(car(value)))`.
`List.caddar`	Returns `car(cdr(cdr(car(value))))`.
`List.cadddr`	Returns `car(cdr(cdr(cdr(value))))`.
`List.cdaaar`	Returns `cdr(car(car(car(value))))`.
`List.cdaadr`	Returns `cdr(car(car(cdr(value))))`.
`List.cdaar`	Returns `cdr(car(car(value)))`.
`List.cdadar`	Returns `cdr(car(cdr(car(value))))`.
`List.cdaddr`	Returns `cdr(car(cdr(cdr(value))))`.
`List.cdadr`	Returns `cdr(car(cdr(value)))`.
`List.cdar`	Returns `cdr(car(value))`.
`List.cddaar`	Returns `cdr(cdr(car(car(value))))`.
`List.cddadr`	Returns `cdr(cdr(car(cdr(value))))`.
`List.cddar`	Returns `cdr(cdr(car(value)))`.
`List.cdddar`	Returns `cdr(cdr(cdr(car(value))))`.
`List.cddddr`	Returns `cdr(cdr(cdr(cdr(value))))`.
`List.cdddr`	Returns `cdr(cdr(cdr(value)))`.
`Var.caaaar`	Returns `car(car(car(car(value))))` after treating `value` as a `List`.
`Var.caaadr`	Returns `car(car(car(cdr(value))))` after treating `value` as a `List`.
`Var.caaar`	Returns `car(car(car(value)))` after treating `value` as a `List`.
`Var.caadar`	Returns `car(car(cdr(car(value))))` after treating `value` as a `List`.
`Var.caaddr`	Returns `car(car(cdr(cdr(value))))` after treating `value` as a `List`.
`Var.caadr`	Returns `car(car(cdr(value)))` after treating `value` as a `List`.
`Var.cadaar`	Returns `car(cdr(car(car(value))))` after treating `value` as a `List`.
`Var.cadadr`	Returns `car(cdr(car(cdr(value))))` after treating `value` as a `List`.
`Var.cadar`	Returns `car(cdr(car(value)))` after treating `value` as a `List`.
`Var.caddar`	Returns `car(cdr(cdr(car(value))))` after treating `value` as a `List`.
`Var.cadddr`	Returns `car(cdr(cdr(cdr(value))))` after treating `value` as a `List`.
`Var.cdaaar`	Returns `cdr(car(car(car(value))))` after treating `value` as a `List`.
`Var.cdaadr`	Returns `cdr(car(car(cdr(value))))` after treating `value` as a `List`.
`Var.cdaar`	Returns `cdr(car(car(value)))` after treating `value` as a `List`.
`Var.cdadar`	Returns `cdr(car(cdr(car(value))))` after treating `value` as a `List`.
`Var.cdaddr`	Returns `cdr(car(cdr(cdr(value))))` after treating `value` as a `List`.
`Var.cdadr`	Returns `cdr(car(cdr(value)))` after treating `value` as a `List`.
`Var.cdar`	Returns `cdr(car(value))` after treating `value` as a `List`.
`Var.cddaar`	Returns `cdr(cdr(car(car(value))))` after treating `value` as a `List`.
`Var.cddadr`	Returns `cdr(cdr(car(cdr(value))))` after treating `value` as a `List`.
`Var.cddar`	Returns `cdr(cdr(car(value)))` after treating `value` as a `List`.
`Var.cdddar`	Returns `cdr(cdr(cdr(car(value))))` after treating `value` as a `List`.
`Var.cddddr`	Returns `cdr(cdr(cdr(cdr(value))))` after treating `value` as a `List`.
`Var.cdddr`	Returns `cdr(cdr(cdr(value)))` after treating `value` as a `List`.

`List`

List.caaaar

inline Var List.caaaar(List value)

Returns car(car(car(car(value)))).

Source: lib/list-selectors.x:33

List.caaadr

inline Var List.caaadr(List value)

Returns car(car(car(cdr(value)))).

Source: lib/list-selectors.x:35

List.caaar

inline Var List.caaar(List value)

Returns car(car(car(value))).

Source: lib/list-selectors.x:18

List.caadar

inline Var List.caadar(List value)

Returns car(car(cdr(car(value)))).

Source: lib/list-selectors.x:37

List.caaddr

inline Var List.caaddr(List value)

Returns car(car(cdr(cdr(value)))).

Source: lib/list-selectors.x:39

List.caadr

inline Var List.caadr(List value)

Returns car(car(cdr(value))).

Source: lib/list-selectors.x:20

List.cadaar

inline Var List.cadaar(List value)

Returns car(cdr(car(car(value)))).

Source: lib/list-selectors.x:41

List.cadadr

inline Var List.cadadr(List value)

Returns car(cdr(car(cdr(value)))).

Source: lib/list-selectors.x:43

List.cadar

inline Var List.cadar(List value)

Returns car(cdr(car(value))).

Source: lib/list-selectors.x:22

List.caddar

inline Var List.caddar(List value)

Returns car(cdr(cdr(car(value)))).

Source: lib/list-selectors.x:45

List.cadddr

inline Var List.cadddr(List value)

Returns car(cdr(cdr(cdr(value)))).

Source: lib/list-selectors.x:47

List.cdaaar

inline Self List.cdaaar(Self value)

Returns cdr(car(car(car(value)))).

Source: lib/list-selectors.x:49

List.cdaadr

inline Self List.cdaadr(Self value)

Returns cdr(car(car(cdr(value)))).

Source: lib/list-selectors.x:51

List.cdaar

inline Self List.cdaar(Self value)

Returns cdr(car(car(value))).

Source: lib/list-selectors.x:24

List.cdadar

inline Self List.cdadar(Self value)

Returns cdr(car(cdr(car(value)))).

Source: lib/list-selectors.x:53

List.cdaddr

inline Self List.cdaddr(Self value)

Returns cdr(car(cdr(cdr(value)))).

Source: lib/list-selectors.x:55

List.cdadr

inline Self List.cdadr(Self value)

Returns cdr(car(cdr(value))).

Source: lib/list-selectors.x:26

List.cdar

inline Self List.cdar(Self value)

Returns cdr(car(value)).

Source: lib/list-selectors.x:16

List.cddaar

inline Self List.cddaar(Self value)

Returns cdr(cdr(car(car(value)))).

Source: lib/list-selectors.x:57

List.cddadr

inline Self List.cddadr(Self value)

Returns cdr(cdr(car(cdr(value)))).

Source: lib/list-selectors.x:59

List.cddar

inline Self List.cddar(Self value)

Returns cdr(cdr(car(value))).

Source: lib/list-selectors.x:28

List.cdddar

inline Self List.cdddar(Self value)

Returns cdr(cdr(cdr(car(value)))).

Source: lib/list-selectors.x:61

List.cddddr

inline Self List.cddddr(Self value)

Returns cdr(cdr(cdr(cdr(value)))).

Source: lib/list-selectors.x:63

List.cdddr

inline Self List.cdddr(Self value)

Returns cdr(cdr(cdr(value))).

Source: lib/list-selectors.x:30

`Var`

Var.caaaar

inline Var Var.caaaar(Var value)

Returns car(car(car(car(value)))) after treating value as a List.

Source: lib/list-selectors.x:83

Var.caaadr

inline Var Var.caaadr(Var value)

Returns car(car(car(cdr(value)))) after treating value as a List.

Source: lib/list-selectors.x:85

Var.caaar

inline Var Var.caaar(Var value)

Returns car(car(car(value))) after treating value as a List.

Source: lib/list-selectors.x:68

Var.caadar

inline Var Var.caadar(Var value)

Returns car(car(cdr(car(value)))) after treating value as a List.

Source: lib/list-selectors.x:87

Var.caaddr

inline Var Var.caaddr(Var value)

Returns car(car(cdr(cdr(value)))) after treating value as a List.

Source: lib/list-selectors.x:89

Var.caadr

inline Var Var.caadr(Var value)

Returns car(car(cdr(value))) after treating value as a List.

Source: lib/list-selectors.x:70

Var.cadaar

inline Var Var.cadaar(Var value)

Returns car(cdr(car(car(value)))) after treating value as a List.

Source: lib/list-selectors.x:91

Var.cadadr

inline Var Var.cadadr(Var value)

Returns car(cdr(car(cdr(value)))) after treating value as a List.

Source: lib/list-selectors.x:93

Var.cadar

inline Var Var.cadar(Var value)

Returns car(cdr(car(value))) after treating value as a List.

Source: lib/list-selectors.x:72

Var.caddar

inline Var Var.caddar(Var value)

Returns car(cdr(cdr(car(value)))) after treating value as a List.

Source: lib/list-selectors.x:95

Var.cadddr

inline Var Var.cadddr(Var value)

Returns car(cdr(cdr(cdr(value)))) after treating value as a List.

Source: lib/list-selectors.x:97

Var.cdaaar

inline List Var.cdaaar(Var value)

Returns cdr(car(car(car(value)))) after treating value as a List.

Source: lib/list-selectors.x:99

Var.cdaadr

inline List Var.cdaadr(Var value)

Returns cdr(car(car(cdr(value)))) after treating value as a List.

Source: lib/list-selectors.x:101

Var.cdaar

inline List Var.cdaar(Var value)

Returns cdr(car(car(value))) after treating value as a List.

Source: lib/list-selectors.x:74

Var.cdadar

inline List Var.cdadar(Var value)

Returns cdr(car(cdr(car(value)))) after treating value as a List.

Source: lib/list-selectors.x:103

Var.cdaddr

inline List Var.cdaddr(Var value)

Returns cdr(car(cdr(cdr(value)))) after treating value as a List.

Source: lib/list-selectors.x:105

Var.cdadr

inline List Var.cdadr(Var value)

Returns cdr(car(cdr(value))) after treating value as a List.

Source: lib/list-selectors.x:76

Var.cdar

inline List Var.cdar(Var value)

Returns cdr(car(value)) after treating value as a List.

Source: lib/list-selectors.x:66

Var.cddaar

inline List Var.cddaar(Var value)

Returns cdr(cdr(car(car(value)))) after treating value as a List.

Source: lib/list-selectors.x:107

Var.cddadr

inline List Var.cddadr(Var value)

Returns cdr(cdr(car(cdr(value)))) after treating value as a List.

Source: lib/list-selectors.x:109

Var.cddar

inline List Var.cddar(Var value)

Returns cdr(cdr(car(value))) after treating value as a List.

Source: lib/list-selectors.x:78

Var.cdddar

inline List Var.cdddar(Var value)

Returns cdr(cdr(cdr(car(value)))) after treating value as a List.

Source: lib/list-selectors.x:111

Var.cddddr

inline List Var.cddddr(Var value)

Returns cdr(cdr(cdr(cdr(value)))) after treating value as a List.

Source: lib/list-selectors.x:113

Var.cdddr

inline List Var.cdddr(Var value)

Returns cdr(cdr(cdr(value))) after treating value as a List.

Source: lib/list-selectors.x:80

The prelude keeps car, cdr, caar, cadr, cddr, and caddr. Include this module for the remaining Common Lisp selector spellings through depth 4. Names read from right to left: a applies car and d applies cdr. Every step is nil-safe, and selected tails share their canonical List structure.

Tests and examples

make verify (unittest/test-list.x).

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