Add (concat strings…) builtin

2 files changed, 4 insertions, 2 deletions

diff --git a/actinide/stdlib.py b/actinide/stdlib.py
index 2e8b6ac..0e4165d 100644
--- a/actinide/stdlib.py
+++ b/actinide/stdlib.py
@@ -85,3 +85,7 @@ def let(symbols, bindings, *body):
         ),
         value
     )
+
+@An.fn
+def concat(*strings):
+    return ''.join(strings)
diff --git a/docs/language.rst b/docs/language.rst
index 0296ec1..356b490 100644
--- a/docs/language.rst
+++ b/docs/language.rst
@@ -15,8 +15,6 @@ Forms
 * A program is evaluated by *reducing* forms to produce a final value, applying
   side effects during the reduction.
 
-* What does a form look like?
-
     * Simple forms: literals (and intro to types)
 
         * Integers: an optional leading - sign for negative numbers, followed by a