From 4327ec49a7b3296f3865065f141809ba46d51fd3 Mon Sep 17 00:00:00 2001
From: Jinhao <cnjinhao@hotmail.com>
Date: Sun, 20 Nov 2016 12:04:30 +0800
Subject: [PATCH] add noexcept to some functions

---
 include/nana/basic_types.hpp |  4 ++--
 include/nana/key_type.hpp    | 10 +++++-----
 source/basic_types.cpp       |  4 ++--
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/include/nana/basic_types.hpp b/include/nana/basic_types.hpp
index 6ddb6912..4f230fc0 100644
--- a/include/nana/basic_types.hpp
+++ b/include/nana/basic_types.hpp
@@ -457,8 +457,8 @@ namespace nana
 
 		rectangle& pare_off(int pixels);	 ///<Pares the specified pixels off the rectangle. It's equal to x += pixels; y + pixels; width -= (pixels << 1); height -= (pixels << 1);
 
-		int right() const;
-		int bottom() const;
+		int right() const noexcept;
+		int bottom() const noexcept;
 		bool is_hit(int x, int y) const;
 		bool is_hit(const point& pos) const;
 		bool empty() const;		///< true if width * height == 0.
diff --git a/include/nana/key_type.hpp b/include/nana/key_type.hpp
index 9bca1e18..e2539be2 100644
--- a/include/nana/key_type.hpp
+++ b/include/nana/key_type.hpp
@@ -21,12 +21,12 @@ namespace nana
 		public:
 			virtual ~key_interface(){}
 
-			virtual bool same_type(const key_interface*) const = 0;
-			virtual bool compare(const key_interface*) const = 0; ///< is this key less than right key? [call it less(rk), less_than(rk) or compare_less(rk)?: if (lk.less_than(rk )) ]
+			virtual bool same_type(const key_interface*) const noexcept = 0;
+			virtual bool compare(const key_interface*) const noexcept = 0; ///< is this key less than right key? [call it less(rk), less_than(rk) or compare_less(rk)?: if (lk.less_than(rk )) ]
 		};	//end class key_interface
 
 		//Use less compare for equal compare [call it equal_by_less()?]
-		inline bool pred_equal(const key_interface * left, const key_interface* right)
+		inline bool pred_equal(const key_interface * left, const key_interface* right) noexcept
 		{
 			return (left->same_type(right) && (left->compare(right) == false) && (right->compare(left) == false));
 		}
@@ -104,12 +104,12 @@ namespace nana
 		}
 	public:
 		//implement key_interface methods
-		bool same_type(const key_interface * p) const override
+		bool same_type(const key_interface * p) const noexcept override
 		{
 			return (nullptr != dynamic_cast<const key*>(p));
 		}
 
-		bool compare(const key_interface* p) const override
+		bool compare(const key_interface* p) const noexcept override
 		{
 			auto rhs = dynamic_cast<const key*>(p);
 			return rhs && compare_(key_object_, rhs->key_object_);
diff --git a/source/basic_types.cpp b/source/basic_types.cpp
index 6a40ee59..0523a3c0 100644
--- a/source/basic_types.cpp
+++ b/source/basic_types.cpp
@@ -649,12 +649,12 @@ namespace nana
 			return *this;
 		}
 
-		int rectangle::right() const
+		int rectangle::right() const noexcept
 		{
 			return x + static_cast<int>(width);
 		}
 
-		int rectangle::bottom() const
+		int rectangle::bottom() const noexcept
 		{
 			return y + static_cast<int>(height);
 		}