75bc30bb8e
Implement parsing, evaluation, lexical this capture, and new rejection for arrow functions. Covers expression bodies, block bodies, zero/single/ multi-param forms, and backtracking disambiguation from grouping parens. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
24 lines
475 B
JavaScript
24 lines
475 B
JavaScript
// Basic: no params, expression body
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var f1 = () => 42;
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console.log(f1());
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// Single param without parens
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var f2 = x => x + 1;
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console.log(f2(10));
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// Multi params
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var f3 = (a, b) => a + b;
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console.log(f3(3, 4));
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// Block body with return
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var f4 = (x) => { return x * 2; };
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console.log(f4(5));
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// Arrow as callback argument
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function apply(fn, val) { return fn(val); }
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console.log(apply(x => x * 3, 7));
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// typeof arrow function
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var f5 = () => 1;
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console.log(typeof f5);
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