document set-comp
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@ -274,13 +274,13 @@ however is called only for every other value in the list.
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dict-comp
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---------
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`dict-comp` is used to create dictionaries. It takes two or three parameters.
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`dict-comp` is used to create dictionaries. It takes three or four parameters.
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The first two parameters are for controlling the return value
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(key-value pair), while the third is used to select items from a sequence. The
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fourth and optional parameter can be used to filter out some of the items in
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the list based on a conditional expression.
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the sequence based on a conditional expression.
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.. code-block:: clj
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.. code-block:: hy
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=> (dict-comp x (* x 2) [x (range 10)] (odd? x))
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{1: 2, 3: 6, 9: 18, 5: 10, 7: 14}
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@ -654,7 +654,7 @@ parameter can be used to filter out some of the items in the list based on a
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conditional expression. `genexpr` is similar to `list-comp`, except that it returns
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an iterable that evaluates values one by one instead of evaluating them immediately.
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.. code-block:: clj
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.. code-block:: hy
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=> (def collection (range 10))
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=> (def filtered (genexpr x [x collection] (even? x)))
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@ -1036,6 +1036,22 @@ element:
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[1, 2, 3, 4, 5, 6, 7, 8, 9]
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set-comp
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--------
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`set-comp` is used to create sets. It takes two or three parameters.
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The first parameter is for controlling the return value, while the second is
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used to select items from a sequence. The third and optional parameter can be
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used to filter out some of the items in the sequence based on a conditional
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expression.
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.. code-block:: hy
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=> (setv data [1 2 3 4 5 2 3 4 5 3 4 5])
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=> (set-comp x [x data] (odd? x))
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{1, 3, 5}
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slice
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-----
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