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8 Cards in this Set
- Front
- Back
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scope of binding |
where it can be used |
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Ml let expression |
allows for local variables in a simple, general, and flexible way, allows for local bindings of any sort |
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Ml options |
has either 0 or 1 thing: the type none is 'a option, and the type of some e is t option. |
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andalso |
it evaluates e2 only if e1 evaluates true, naturally both values must be type bool |
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orelse |
it evaluates e2 only if e1 evaluates to false |
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immutable data |
it makes sharing and aliasing irrelevant. your code will rely on no other code |
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aliasing |
data can be retrieved through symbolic names in the program |
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idiom |
what are the common approaches to using features to express computations? |
