25 lines
1.2 KiB
TypeScript
25 lines
1.2 KiB
TypeScript
// @strict
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const enum E { A, B, C, D, E, F }
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let x0: ('a' | 'b' | 'c') & ('a' | 'b' | 'c'); // 'a' | 'b' | 'c'
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let x1: ('a' | 'b' | 'c') & ('b' | 'c' | 'd'); // 'b' | 'c'
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let x2: ('a' | 'b' | 'c') & ('c' | 'd' | 'e'); // 'c'
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let x3: ('a' | 'b' | 'c') & ('d' | 'e' | 'f'); // never
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let x4: ('a' | 'b' | 'c') & ('b' | 'c' | 'd') & ('c' | 'd' | 'e'); // 'c'
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let x5: ('a' | 'b' | 'c') & ('b' | 'c' | 'd') & ('c' | 'd' | 'e') & ('d' | 'e' | 'f'); // never
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let y0: (0 | 1 | 2) & (0 | 1 | 2); // 0 | 1 | 2
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let y1: (0 | 1 | 2) & (1 | 2 | 3); // 1 | 2
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let y2: (0 | 1 | 2) & (2 | 3 | 4); // 2
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let y3: (0 | 1 | 2) & (3 | 4 | 5); // never
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let y4: (0 | 1 | 2) & (1 | 2 | 3) & (2 | 3 | 4); // 2
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let y5: (0 | 1 | 2) & (1 | 2 | 3) & (2 | 3 | 4) & (3 | 4 | 5); // never
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let z0: (E.A | E.B | E.C) & (E.A | E.B | E.C); // E.A | E.B | E.C
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let z1: (E.A | E.B | E.C) & (E.B | E.C | E.D); // E.B | E.C
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let z2: (E.A | E.B | E.C) & (E.C | E.D | E.E); // E.C
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let z3: (E.A | E.B | E.C) & (E.D | E.E | E.F); // never
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let z4: (E.A | E.B | E.C) & (E.B | E.C | E.D) & (E.C | E.D | E.E); // E.C
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let z5: (E.A | E.B | E.C) & (E.B | E.C | E.D) & (E.C | E.D | E.E) & (E.D | E.E | E.F); // never
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