32 lines
1 KiB
TypeScript
32 lines
1 KiB
TypeScript
// arrow
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(jake => { })("build");
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// function expression
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(function (cats) { })("lol");
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// Lots of Irritating Superfluous Parentheses
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(function (x) { } ("!"));
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((((function (y) { }))))("-");
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// multiple arguments
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((a, b, c) => { })("foo", 101, false);
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// default parameters
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((m = 10) => m + 1)(12);
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((n = 10) => n + 1)();
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// optional parameters
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((j?) => j + 1)(12);
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((k?) => k + 1)();
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((l, o?) => l + o)(12); // o should be any
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// rest parameters
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((...numbers) => numbers.every(n => n > 0))(5,6,7);
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((...mixed) => mixed.every(n => !!n))(5,'oops','oh no');
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((...noNumbers) => noNumbers.some(n => n > 0))();
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((first, ...rest) => first ? [] : rest.map(n => n > 0))(8,9,10);
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// destructuring parameters (with defaults too!)
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(({ q }) => q)({ q : 13 });
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(({ p = 14 }) => p)({ p : 15 });
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(({ r = 17 } = { r: 18 }) => r)({r : 19});
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(({ u = 22 } = { u: 23 }) => u)();
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// contextually typed parameters.
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let twelve = (f => f(12))(i => i);
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let eleven = (o => o.a(11))({ a: function(n) { return n; } });
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// missing arguments
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(function(x, undefined) { return x; })(42);
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((x, y, z) => 42)();
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