public static TypeReference Combine(Ctx ctx, TypeReference a, TypeReference b) {
if (a.IsSame(b)) {
return a;
}
var t = Tuple.Create(a, b);
if (t.Perms((x, y) => x.IsBoolean() && y.IsInt32())) {
return ctx.Boolean;
}
return ctx.Object;
}
private Expr InsertConvIfRequired(Expr expr, TypeReference requiredType) {
if (requiredType.IsSame(expr.Type)) {
return expr;
}
if (!requiredType.IsNumeric() || !expr.Type.IsNumeric()) {
return expr;
}
var conv = new ExprConv(this.ctx, expr, requiredType, false);
return conv;
}