Add a library function ‘genAttrs’
It generates an attribute set by mapping a function over a list of attribute names.
This commit is contained in:
parent
00de01f58b
commit
5e83e93e97
@ -194,7 +194,7 @@ rec {
|
||||
(as: !(as ? "type" && as.type == "derivation"))
|
||||
(x: ... do something ...)
|
||||
attrs
|
||||
*/
|
||||
*/
|
||||
mapAttrsRecursiveCond = cond: f: set:
|
||||
let
|
||||
recurse = path: set:
|
||||
@ -208,6 +208,17 @@ rec {
|
||||
in recurse [] set;
|
||||
|
||||
|
||||
/* Generate an attribute set by mapping a function over a list of
|
||||
attribute names.
|
||||
|
||||
Example:
|
||||
genAttrs [ "foo" "bar" ] (name: "x_" + name)
|
||||
=> { foo = "x_foo"; bar = "x_bar"; }
|
||||
*/
|
||||
genAttrs = names: f:
|
||||
listToAttrs (map (n: nameValuePair n (f n)) names);
|
||||
|
||||
|
||||
/* Check whether the argument is a derivation. */
|
||||
isDerivation = x: isAttrs x && x ? type && x.type == "derivation";
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user