mixin A (...tags, ...styles)
.content
.style
each style in styles
a(href='#').style__item= style
.tags
each tag in tags
a(href='#').tag= tag
mixin A (tags, styles)
.content
if(styles)
.style
each style in styles
a(href='#').style__item= style
if(tags)
.tags
each tag in tags
a(href='#').tag= tag
+А(true);
+A(false, true)