Method indent

crates/codegen/src/code_indenter.rs:37–39

(&mut self, n: u32)

        self.writer
    }
    pub fn indent(&mut self, n: u32) {
        self.level = self.level.saturating_add(n);
    }
    pub fn dedent(&mut self, n: u32) {
        self.level = self.level.saturating_sub(n);
    }