is there a way to perform a math operation with a mixin argument? i
can't figure out the syntax to get a result. here's what i'm trying to
do:
=mixin(!arg1, !pos_x, !pos_y)
li#act-#{!arg1}
:left #{!pos_x}px
:top #{!pos_y}px
&:hover
:left = #{!pos_x}px - 50px
:top = #{!pos_y}px - 100px
that throws an error because it doesn't like the interpolation token
at the beginning i think.
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