From a386407dc3a828051ed7de943a37f5fce86d95f7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adam=20Wardy=C5=84ski?= <no@email>
Date: Thu, 4 Nov 2010 22:50:49 +0100
Subject: [PATCH] Clarifying some comments regarding And predicate
---
libwccl/ops/and.cpp | 2 +-
libwccl/ops/and.h | 8 ++++++--
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/libwccl/ops/and.cpp b/libwccl/ops/and.cpp
index 893eb6a..758ce19 100644
--- a/libwccl/ops/and.cpp
+++ b/libwccl/ops/and.cpp
@@ -1,4 +1,4 @@
-#include "and.h"
+#include <libwccl/ops/and.h>
namespace Wccl {
diff --git a/libwccl/ops/and.h b/libwccl/ops/and.h
index 1f533d4..b6e44c6 100644
--- a/libwccl/ops/and.h
+++ b/libwccl/ops/and.h
@@ -8,6 +8,9 @@
namespace Wccl {
+/**
+ * Operator that realises "and" logical predicate
+ */
class And : public LogicalPredicate
{
public:
@@ -20,8 +23,9 @@ protected :
typedef FunctionBase::BaseRetValPtr BaseRetValPtr ;
/**
- * "And" predicate returns True only when all expressions are true,
- * otherwise it returns False
+ * "And" predicate evaluates each expression from left to right,
+ * and returns False once an expression evaluating to False is found.
+ * If all expressions were True, it returns True.
*/
virtual BaseRetValPtr apply_internal(const SentenceContext&) const;
--
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