dotliquid支持'不'作为运营商吗？

Question

dotliquid支持基本操作符喜欢和/或。

Basic operators 

Operator Function 
== equals 
!= does not equal 
> greater than 
< less than 
>= greater than or equal to 
<= less than or equal to 
or condition A or condition B 
and condition A and condition B 

是否支持“不”作为运算符？

Answer 1

它包含unless控制流，在这里看到：

https://shopify.github.io/liquid/tags/control-flow/

这意味着：

if a && b && !c 
    # ... 
end 

翻译成：

{% if a and b %} 
    {% unless c %} 
    ... 
    {% endunless %} 
{% endif %}