how to do an expression inside the .scala.html file in play framework

Question

I want to ask how to do an expression inside the .scala.html file in play framework. You can do the scala codes by puting an @ sign for every scala code. You can also define a variable by:

 @defining(0){ i => 
 @ i
 }

the code above displays 0 but what i want to ask is how can i do an expression on the variable i. for example i want to do:

@i = i + 1

whenever i type this inside the .scala.html file in displays:

0 = i + 1

what i want is i modified after an expression.

THANK YOU.

Answer 1

试试这个表达式：

@i = @{1 + 1}