Closures/Value capture: Difference between revisions
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In this case it is also possible to use <code>map()</code> since the function passed to it creates a new scope |
In this case it is also possible to use <code>map()</code> since the function passed to it creates a new scope |
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<lang python>funcs = map(lambda i: lambda: i * i, range(10)) |
<lang python>funcs = map(lambda i: lambda: i * i, range(10)) |
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print funcs[3]() # prints 9</lang> |
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It is also possible to use <code>eval</code> and eliminate the double function |
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<lang python>funcs=[eval("lambda:%s"%i**2)for i in range(10)] |
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print funcs[3]() # prints 9</lang> |
print funcs[3]() # prints 9</lang> |
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