LESS mixin for using nth-child on IE7 & IE8

mixin.less

.clear-nth( @selector, @n, @currentSelector: '', @i: 1 ) when ( mod( @i, @n + 1 ) = 0 ) and ( @i < 100 ){
    @updatedSelector: e( '@{currentSelector} + @{selector}' );

    @{updatedSelector} {
        clear: both;
    }

    .clear-nth( @selector, @n, @updatedSelector, ( @i + 1 ) );
}

.clear-nth( @selector, @n, @currentSelector: '', @i: 1 ) when not ( mod( @i, @n + 1 ) = 0 ) and ( @i < 100 ) and not( @i = 1 ){
    @updatedSelector: e( '@{currentSelector} + @{selector}' );

    .clear-nth( @selector, @n, @updatedSelector, ( @i + 1 ) );
}

.clear-nth( @selector, @n, @currentSelector: '', @i: 1 ) when not ( mod( @i, @n + 1 ) = 0 ) and ( @i < 100 ) and ( @i = 1 ){
    @updatedSelector: e( '@{selector}:first-child' );

    .clear-nth( @selector, @n, @updatedSelector, ( @i + 1 ) );
}