Closures/Value capture: Difference between revisions
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imported>Rowsety Moid |
imported>Rowsety Moid |
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calls the function represented by that lambda-expression. Since it does not give the function any arguments, <code>a</code> and <code>b</code> get their default values (which are the values captured by <code>freeze</code>). |
calls the function represented by that lambda-expression. Since it does not give the function any arguments, <code>a</code> and <code>b</code> get their default values (which are the values captured by <code>freeze</code>). |
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(Although code within such a 'closure' can assign new values to the captured variables, it would have only a temporary effect and would not change the values seen in subsequent calls to the same closure. That's one sense in which the variable values are "frozen".) |
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Here is the definition of <code>freeze</code>: |
Here is the definition of <code>freeze</code>: |
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