Method delimited_block

crates/codegen/src/code_indenter.rs:68–80

Print an indented block delimited by `before` and `after`, with body written by `f`.

(&mut self, before: &str, f: impl FnOnce(&mut Self) -> Res, after: &str)

    /// Print an indented block delimited by `before` and `after`, with body written by `f`.
    pub fn delimited_block<Res>(&mut self, before: &str, f: impl FnOnce(&mut Self) -> Res, after: &str) -> Res {
        self.writer.write_str(before).unwrap();
        let res = self.with_indent(|out| {
            out.newline();
            // Need an explicit `write_indent` call here because calling `out.newline`
            // will not cause the subsequent line to be indented, as `write_str` thinks
            // it's an empty line.
            out.write_indent().unwrap();
            f(out)
        });
        self.writer.write_str(after).unwrap();
        res
    }
}
impl<W: fmt::Write> fmt::Write for CodeIndenter<W> {
    fn write_str(&mut self, s: &str) -> fmt::Result {