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Fix table.unpack.

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Enyby
2019-11-02 15:18:48 +02:00
parent 05e82f1c3f
commit b57eb247ba
1 changed files with 3 additions and 5 deletions
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8
src/core/org/luaj/vm2/lib/TableLib.java
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@@ -140,11 +140,9 @@ public class TableLib extends TwoArgFunction {
static class unpack extends VarArgFunction { static class unpack extends VarArgFunction {
public Varargs invoke(Varargs args) { public Varargs invoke(Varargs args) {
LuaTable t = args.checktable(1); LuaTable t = args.checktable(1);
switch (args.narg()) { // do not waste resource for calc rawlen if arg3 is not nil
case 1: return t.unpack(); int len = args.arg(3).isnil() ? t.rawlen() : 0;
case 2: return t.unpack(args.checkint(2)); return t.unpack(args.optint(2, 1), args.optint(3, len));
default: return t.unpack(args.checkint(2), args.checkint(3));
}
} }
} }
} }