From: Jean Privat <jean@pryen.org>
Date: Tue, 26 Nov 2013 19:58:18 +0000 (-0500)
Subject: lib: remove useless usage of `is`
X-Git-Tag: v0.6.4~58^2~8^2~9
X-Git-Url: http://nitlanguage.org

lib: remove useless usage of `is`

Signed-off-by: Jean Privat <jean@pryen.org>
---

diff --git a/lib/standard/collection/abstract_collection.nit b/lib/standard/collection/abstract_collection.nit
index 8d5cb80..ab04618 100644
--- a/lib/standard/collection/abstract_collection.nit
+++ b/lib/standard/collection/abstract_collection.nit
@@ -443,7 +443,7 @@ interface SequenceRead[E]
 	# Two sequences are equals if they have the same items in the same order.
 	redef fun ==(o)
 	do
-		if not o isa SequenceRead[nullable Object] or o is null then return false
+		if not o isa SequenceRead[nullable Object] then return false
 		var l = length
 		if o.length != l then return false
 		var i = 0
diff --git a/lib/standard/string.nit b/lib/standard/string.nit
index 4010b81..e159dfc 100644
--- a/lib/standard/string.nit
+++ b/lib/standard/string.nit
@@ -543,7 +543,7 @@ class String
 
 	redef fun ==(other)
 	do
-		if not other isa String or other is null then return false
+		if not other isa String then return false
 
 		if self.object_id == other.object_id then return true
 
@@ -785,7 +785,7 @@ class Buffer
 
 	redef fun ==(o)
 	do
-		if not o isa Buffer or o is null then return false
+		if not o isa Buffer then return false
 		var l = length
 		if o.length != l then return false
 		var i = 0