21 lines
414 B
Nix
21 lines
414 B
Nix
let
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attrSet = {x = "a"; y = "b"; b = {t = true; f = false;};};
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attrSet.c = 1;
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attrSet.d = null;
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attrSet.e.f = "g";
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in
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rec {
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#boolean
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ex0 = attrSet.b.t;
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#equal
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ex01 = "a" == attrSet.x;
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#unequal
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ex02 = !("b" != attrSet.y );
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#and/or/neg
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ex03 = ex01 && !ex02 || ! attrSet.b.f;
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#implication
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ex04 = true -> attrSet.b.t;
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#contains attribute
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ex05 = attrSet ? x;
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ex06 = attrSet.b ? f;
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} |