Ruby Slim - How do you define an element's class with a rails helper or variable?

How about

div[class="sample #{@variable.name}"]

or even

div class=["sample", @variable.name]

.sample *{:class => [@variable1.name, @variable2.name]}

You can use parentheses, curly braces or just a space

.first-class(class="second-class-#{ruby_call}")

.first-class *{class: "second-class-#{ruby_call}"}

.first-class class="second-class-#{ruby_call}"

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