family_tree comment re static/dynamic typing

Signed-off-by: Jim Pryor <profjim@jimpryor.net>

diff --git a/family_tree_of_functional_programming_languages.mdwn b/family_tree_of_functional_programming_languages.mdwn
index 90db24e..f13929d 100644 (file)
--- a/family_tree_of_functional_programming_languages.mdwn
+++ b/family_tree_of_functional_programming_languages.mdwn
@@ -126,3 +126,9 @@ imperatival code.)
 We'll talk much more about monads, lazy vs strict evaluation, and functional vs
 imperatival code as we proceed.
 
+We won't much discuss static vs dynamic typing; this has to do with lower-level
+implementation details than we'll be concerned with. However, you'll encounter
+the difference in practice as you work with Scheme and OCaml, respectively; and
+you'll see it referred to as you read around. So it's good for you to
+have placed it in your mental map.
+