Include definition of tuples for destructuring.

Updates the tutorial to include a simple definition for tuples in
section 4.2. Fixes #5132.
This commit is contained in:
Bryan Dunsmore 2013-04-07 16:49:44 -05:00
parent 44d4d6de76
commit f0d0cbfff8

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@ -495,7 +495,10 @@ omitted.
A powerful application of pattern matching is *destructuring*:
matching in order to bind names to the contents of data
types. Assuming that `(float, float)` is a tuple of two floats:
types.
> ***Note:*** The following code makes use of tuples (`(float, float)`) which
> are explained later. For now you can think of tuples as a list of items.
~~~~
fn angle(vector: (float, float)) -> float {