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view src/luan/interp/UnmExpr.java @ 19:a7c13c6017f7
add GenericForStmt
git-svn-id: https://luan-java.googlecode.com/svn/trunk@20 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Sun, 02 Dec 2012 10:08:24 +0000 |
parents | b7d7069fee58 |
children | 5cf15507d77e |
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package luan.interp; import luan.Lua; import luan.LuaNumber; import luan.LuaException; import luan.LuaState; // unary minus final class UnmExpr extends UnaryOpExpr { UnmExpr(Expr op) { super(op); } @Override public Object eval(LuaState lua) throws LuaException { double n = Lua.checkNumber(op.eval(lua)).value(); return new LuaNumber( -n ); } }