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diff --git a/content/fate_v1/computations/cons/_index.md b/content/fate_v1/computations/cons/_index.md new file mode 100644 index 0000000..5ece27b --- /dev/null +++ b/content/fate_v1/computations/cons/_index.md @@ -0,0 +1,22 @@ +--- +title: Cons +--- +Fate features a *construct* computation, making it possible to create an +anonymous structure by creating pairs of computations. Unlike collections, these +pairs do not have to be made of computations of the same type. + +### PAIRING +{{< fatecode >}}(cons [C0 = COMPUTATION*] [C1 = COMPUTATION*]){{< /fatecode >}} + +Returns the value corresponding to a pair made of `[C0]` and `[C1]`. Note that +the variable shorthand cannot be used for either parameter. + +### RETRIEVING THE FIRST ITEM +{{< fatecode >}}(car [CONS]){{< /fatecode >}} + +Returns the value corresponding to the first item in the `[CONS]` pair. + +### RETRIEVING THE SECOND ITEM +{{< fatecode >}}(cdr [CONS]){{< /fatecode >}} + +Returns the value corresponding to the second item in the `[CONS]` pair. |