Mercurial Hosting > luan
diff src/luan/interp/ValuesExpr.java @ 2:4da26b11d12a
start interp
git-svn-id: https://luan-java.googlecode.com/svn/trunk@3 21e917c8-12df-6dd8-5cb6-c86387c605b9
| author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
|---|---|
| date | Wed, 14 Nov 2012 08:53:25 +0000 |
| parents | |
| children | 7a2cdbc5767f |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/luan/interp/ValuesExpr.java Wed Nov 14 08:53:25 2012 +0000 @@ -0,0 +1,19 @@ +package luan.interp; + +import java.util.List; +import luan.Lua; +import luan.LuaException; + + +final class ValuesExpr extends Expr { + private final Values values; + + ValuesExpr(Values values) { + this.values = values; + } + + @Override Object eval() throws LuaException { + List list = values.eval(); + return list.isEmpty() ? null : list.get(0); + } +}