Mercurial Hosting > luan
view core/src/luan/impl/SubExpr.java @ 609:24b05963ba62
shell "clear" button now clears the session
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Wed, 09 Dec 2015 18:12:16 -0700 |
parents | b48cfa14ba60 |
children | 859c0dedc8b6 |
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package luan.impl; import luan.LuanException; import luan.LuanElement; final class SubExpr extends BinaryOpExpr { SubExpr(LuanElement se,Expr op1,Expr op2) { super(se,op1,op2); } @Override public Object eval(LuanStateImpl luan) throws LuanException { Object o1 = op1.eval(luan); Object o2 = op2.eval(luan); if( o1 instanceof Number && o2 instanceof Number ) return ((Number)o1).doubleValue() - ((Number)o2).doubleValue(); return arithmetic(luan,"__sub",o1,o2); } }