12 lines
206 B
Nix
12 lines
206 B
Nix
let
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as = { x = 123; y = 456; } // { z = 789; } // { z = 987; };
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A = "a";
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Z = "z";
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in
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if builtins.hasAttr A as then
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builtins.getAttr A as
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else
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assert builtins.hasAttr Z as; builtins.getAttr Z as
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