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fix: simpler solution + alternative to 02ex07 #6

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fix: simpler solution + alternative to 02ex07 #6

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14 changes: 8 additions & 6 deletions 02-assignability-and-conditional-types/solution.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -128,12 +128,14 @@ namespace bonus {
type test4 = Get<{ name: string }, "age">;
}

namespace seven {
type XOR<bool1, bool2> = [bool1, bool2] extends [true, true]
? false
: [bool1, bool2] extends [false, false]
? false
: true;
namespace seven {
type XOR<bool1, bool2> = bool1 extends bool2 ? false : true;
// alternative
// type XOR2<bool1, bool2> = [bool1, bool2] extends
// | [true, true]
// | [false, false]
// ? false
// : true;

type res1 = XOR<true, true>;
type t1 = Expect<Equal<res1, false>>;
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