add documents for symbol?

2015-01-30 01:21:26 +08:00 · 2015-01-30 01:21:26 +08:00 · 487710c093
commit 487710c093
parent dafcc7ec70
1 changed files with 17 additions and 0 deletions
--- a/docs/language/core.rst
+++ b/docs/language/core.rst
@ -736,6 +736,23 @@ Returns ``True`` if *x* is a string.
   => (string? -2)
   False

+.. _symbol?-fn:
+
+symbol?
+-------
+
+Usage: ``(symbol? x)``
+
+Returns ``True`` if *x* is a symbol.
+
+.. code-block:: hy
+
+   => (symbol? 'foo)
+   True
+
+   => (symbol? '[a b c])
+   False
+
 .. _zero?-fn:

 zero?