Function indented_blocks::blocks_to_string

pub fn blocks_to_string<'ast, BIter, B, S, F>(
    blks: BIter, 
    single_indent: &str
) -> String where
    BIter: IntoIterator<Item = B>,
    B: IntoUnindented<Output = View<'ast, S, F>> + 'ast,
    S: 'ast,
    F: Clone + ViewFn<&'ast S>,
    F::Output: ToString,