Function rewrite_assign_rhs

pub(crate) fn rewrite_assign_rhs<S: Into<String>, R: Rewrite>(
    context: &RewriteContext<'_>,
    lhs: S,
    ex: &R,
    rhs_kind: &RhsAssignKind<'_>,
    shape: Shape,
) -> Result<String, RewriteError>