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0a623a10c7
x.y.z or default (as originally proposed in https://mail.cs.uu.nl/pipermail/nix-dev/2009-September/002989.html). For instance, an expression like stdenv.lib.attrByPath ["features" "ckSched"] false args can now be written as args.features.ckSched or false
21 lines
401 B
Nix
21 lines
401 B
Nix
with import ./lib.nix;
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let
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as = { x.y.z = 123; a.b.c = 456; };
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bs = { foo.bar = "foo"; };
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or = x: y: x || y;
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in
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[ as.x.y.z
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as.foo or "foo"
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as.x.y.bla or as.a.b.c
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as.a.b.c or as.x.y.z
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as.x.y.bla or bs.foo.bar or "xyzzy"
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as.x.y.bla or bs.bar.foo or "xyzzy"
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123.bla or null.foo or "xyzzy"
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# Backwards compatibility test.
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(fold or [] [true false false])
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]
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