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    <p>Clojure's primary conveniences over C# roughly ordered by level of convenience, with the hugest improvements at the top:</p> <ul> <li><p>More pleasant syntax for literal collections, as you observed. Primarily for literal hash maps, which are sufficiently ugly in C# (you need to write out the generic type) that you wouldn't define one inline. C#'s <code>new Dictionary&lt;string, int&gt; { { "Joe", 6" }, { "Steve", 18" } }</code> becomes <code>{"joe" 6, "steve" 18}</code>.</p></li> <li><p>Powerful destructuring for function arguments that works well with aforementioned collection literal syntax.</p></li> <li><p>Keywords make it easy to refer to things symbolically without having to take time out to define enums.</p></li> <li><p>The core library has many useful built-ins for functional programming which LINQ lacks.</p></li> <li><p>The core library has really nice immutable vectors and maps that work nicely together with aforementioned built-ins.</p></li> <li><p>Thanks to the core data structures being immutable, the language has really convenient STM transactions for managing concurrency that just work without a lot of extra effort.</p></li> <li><p>Metadata is extremely convenient; it allows you to "tack on" information that rides along with other data in a way that's much easier than e.g. defining a throwaway type representing original-data-plus-other-stuff.</p></li> <li><p>Often you want to use an abstraction with types that you don't control; Clojure protocols make it easy to do so, whereas it's almost impossible in C# since you can't extend someone else's type to implement an interface. (You can't even do trivial things like make an INumeric interface.)</p></li> <li><p>Macros are easier to use and more powerful than C# expression trees for extending the language.</p></li> </ul> <p>You can find more information about most of the stuff mentioned above at <a href="http://clojure.org">Clojure.org</a>.</p>
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    1. COgreat list, thanks! you should be able to define the dictionary in a more anonymous way using "var" keyword in c#: var dict = { { "Joe", 6" }, { "Steve", 18" } }
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    2. CO"you can't extend someone else's type to implement an interface"... what do you mean? This is the basis of the Adapter pattern (to take one example), right?
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    3. CO@Sonic Soul: Perhaps you should be able to, but you can't, because the collection initializer syntax isn't hooked into `Dictionary` in that way -- it wouldn't know that you're trying to create `Dictionary<string, int>` instead of some other type that has an `Add(string foo, int bar)` method.
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