guix/tests/lang/eval-okay-dynamic-attrs-bare.nix
Shea Levy f9913f4422 Allow "bare" dynamic attrs
Now, in addition to a."${b}".c, you can write a.${b}.c (applicable
wherever dynamic attributes are valid).

Signed-off-by: Shea Levy <shea@shealevy.com>
2014-01-14 14:00:15 +01:00

17 lines
348 B
Nix

let
aString = "a";
bString = "b";
in {
hasAttrs = { a.b = null; } ? ${aString}.b;
selectAttrs = { a.b = true; }.a.${bString};
selectOrAttrs = { }.${aString} or true;
binds = { ${aString}."${bString}c" = true; }.a.bc;
recBinds = rec { ${bString} = a; a = true; }.b;
multiAttrs = { ${aString} = true; ${bString} = false; }.a;
}