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comparison src/luan/Luan.java @ 111:2428ecfed375

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change LuanFunction.call() from returning Object[] to returning Object, to reduce garbage collection git-svn-id: https://luan-java.googlecode.com/svn/trunk@112 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Fri, 23 May 2014 20:40:05 +0000
parents a9560839104d
children 8c706d6eb5dc
comparison
equal deleted inserted replaced
110:7afa6df829f3 111:2428ecfed375
1 package luan; 1 package luan;
2 2
3 3
4 public final class Luan { 4 public final class Luan {
5 public static final String version = "Luan 0.1"; 5 public static final String version = "Luan 0.1";
6
7 public static Object first(Object obj) {
8 if( !(obj instanceof Object[]) )
9 return obj;
10 Object[] a = (Object[])obj;
11 return a.length==0 ? null : a[0];
12 }
13
14 public static Object[] array(Object obj) {
15 return obj instanceof Object[] ? (Object[])obj : new Object[]{obj};
16 }
6 17
7 public static String type(Object obj) { 18 public static String type(Object obj) {
8 if( obj == null ) 19 if( obj == null )
9 return "nil"; 20 return "nil";
10 if( obj instanceof String ) 21 if( obj instanceof String )
47 else 58 else
48 return Long.valueOf(s,base); 59 return Long.valueOf(s,base);
49 } catch(NumberFormatException e) {} 60 } catch(NumberFormatException e) {}
50 } 61 }
51 return null; 62 return null;
52 }
53
54 public static Object first(Object[] a) {
55 return a.length==0 ? null : a[0];
56 } 63 }
57 64
58 public static String toString(Number n) { 65 public static String toString(Number n) {
59 if( n instanceof Integer ) 66 if( n instanceof Integer )
60 return n.toString(); 67 return n.toString();