Which

Which[test₁, value₁, test₂, value₂, ...]
evaluates each of the test_i in turn, returning the value of the value_i corresponding to the first one that yields True.

MORE INFORMATION

Which has attribute HoldAll.

If any of the test_i evaluated by Which give neither True nor False, then a Which object containing these remaining elements is returned unevaluated. »

You can make Which return a "default value" by taking the last test_i to be True.

If all the test_i evaluate to False, Which returns Null.

Scope (4)

Properties & Relations (2)