[lazy] smarter ASeq and LazySeq isEmpty()

richhickey · richhickey · commit be56ab81e88f · 2009-02-16T22:48:11.000Z
diff --git a/src/jvm/clojure/lang/ASeq.java b/src/jvm/clojure/lang/ASeq.java
@@ -184,7 +184,7 @@ public int size(){
 }
 
 public boolean isEmpty(){
-	return count() == 0;
+	return seq() == null;
 }
 
 public boolean contains(Object o){
diff --git a/src/jvm/clojure/lang/LazySeq.java b/src/jvm/clojure/lang/LazySeq.java
@@ -145,7 +145,7 @@ public int size() {
     }
 
     public boolean isEmpty() {
-        return count() == 0;
+        return seq() == null;
     }
 
     public boolean contains(Object o) {

Original file line number	Diff line number	Diff line change
`@@ -184,7 +184,7 @@ public int size(){`
`184`	`184`	`}`
`185`	`185`
`186`	`186`	`public boolean isEmpty(){`
`187`		`- return count() == 0;`
	`187`	`+ return seq() == null;`
`188`	`188`	`}`
`189`	`189`
`190`	`190`	`public boolean contains(Object o){`
Original file line number	Diff line number	Diff line change
`@@ -145,7 +145,7 @@ public int size() {`
`145`	`145`	`}`
`146`	`146`
`147`	`147`	`public boolean isEmpty() {`
`148`		`- return count() == 0;`
	`148`	`+ return seq() == null;`
`149`	`149`	`}`
`150`	`150`
`151`	`151`	`public boolean contains(Object o) {`