# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1481403771 -3600
# Node ID 01ac965a92a9c153dad924f30cf4e99161b7f43d
# Parent  d75ff26f7c0aecf62eb0931261fde547cc105729
Implemented the all and any functions, adding some tests.

diff -r d75ff26f7c0a -r 01ac965a92a9 lib/__builtins__/iterable.py
--- a/lib/__builtins__/iterable.py	Sat Dec 10 21:13:54 2016 +0100
+++ b/lib/__builtins__/iterable.py	Sat Dec 10 22:02:51 2016 +0100
@@ -19,8 +19,25 @@
 this program.  If not, see <http://www.gnu.org/licenses/>.
 """
 
-def all(iterable): pass
-def any(iterable): pass
+def all(iterable):
+
+    "Return whether all of the elements provided by 'iterable' are true."
+
+    for i in iterable:
+        if not i:
+            return False
+
+    return True
+
+def any(iterable):
+
+    "Return whether any of the elements provided by 'iterable' are true."
+
+    for i in iterable:
+        if i:
+            return True
+
+    return False
 
 def enumerate(iterable, start=0):
 
diff -r d75ff26f7c0a -r 01ac965a92a9 tests/logical.py
--- a/tests/logical.py	Sat Dec 10 21:13:54 2016 +0100
+++ b/tests/logical.py	Sat Dec 10 22:02:51 2016 +0100
@@ -13,18 +13,36 @@
 def j(a, b, c):
     return f(a, b, c) and g(a, b, c) or c
 
-print f(0, 0, 0) # 0
-print f(1, 0, 1) # 0
-print f(1, 1, 1) # 1
-print g(0, 0, 0) # 0
-print g(1, 0, 0) # 1
-print g(0, 0, 1) # 1
-print h(0, 0, 0) # 0
-print h(0, 0, 1) # 1
-print h(1, 0, 0) # 0
-print i(0, 0, 0) # 0
-print i(0, 0, 1) # 0
-print i(1, 0, 0) # 1
-print j(0, 0, 0) # 0
-print j(0, 0, 1) # 1
-print j(1, 0, 0) # 0
+print f(0, 0, 0)            # 0
+print f(1, 0, 1)            # 0
+print f(1, 1, 1)            # 1
+
+print g(0, 0, 0)            # 0
+print g(1, 0, 0)            # 1
+print g(0, 0, 1)            # 1
+
+print h(0, 0, 0)            # 0
+print h(0, 0, 1)            # 1
+print h(1, 0, 0)            # 0
+
+print i(0, 0, 0)            # 0
+print i(0, 0, 1)            # 0
+print i(1, 0, 0)            # 1
+
+print j(0, 0, 0)            # 0
+print j(0, 0, 1)            # 1
+print j(1, 0, 0)            # 0
+
+# Test any and all functions.
+
+l = [0, 0, 1, 0, 0]
+print any(l)                # True
+print all(l)                # False
+
+l = [1, 1, "one", 1]
+print any(l)                # True
+print all(l)                # True
+
+l = [1, 1, "one", ""]
+print any(l)                # True
+print all(l)                # False