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29 lines
467 B
29 lines
467 B
/*
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* Example from compiler.rst.
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*/
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/*===
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321
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123
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===*/
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var foo = 123;
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var myfunc;
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function f(x) {
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eval(x);
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return function () { print(foo); }
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}
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// declare 'foo' in f(), returned closure sees this 'foo' instead
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// of the global one
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myfunc = f('var foo = 321');
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myfunc(); // prints 321, not 123
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// don't declare 'foo' in f(), returned closure sees the global 'foo'
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// instead of the global one
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myfunc = f('var quux = 432');
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myfunc(); // prints 123
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