Method describe

std/src/help.rs:91–138

(&self, pager: &mut Pager<'_>)

    }

    async fn describe(&self, pager: &mut Pager<'_>) -> io::Result<()> {
        pager.print("").await?;
        let previous = pager.color();
        pager.set_color(Some(TITLE_COLOR), previous.1)?;
        match self.metadata.return_type() {
            None => {
                if self.metadata.is_argless() {
                    refill_and_page(pager, [self.metadata.name()], "    ").await?;
                } else {
                    refill_and_page(
                        pager,
                        [&format!("{} {}", self.metadata.name(), self.metadata.syntax())],
                        "    ",
                    )
                    .await?;
                }
            }
            Some(return_type) => {
                if self.metadata.is_argless() {
                    refill_and_page(
                        pager,
                        [&format!("{}{}", self.metadata.name(), return_type.annotation(),)],
                        "    ",
                    )
                    .await?;
                } else {
                    refill_and_page(
                        pager,
                        [&format!(
                            "{}{}({})",
                            self.metadata.name(),
                            return_type.annotation(),
                            self.metadata.syntax(),
                        )],
                        "    ",
                    )
                    .await?;
                }
            }
        }
        pager.set_color(previous.0, previous.1)?;
        if !self.metadata.description().count() > 0 {
            pager.print("").await?;
            refill_and_page(pager, self.metadata.description(), "    ").await?;
        }
        pager.print("").await?;
        Ok(())
    }
}

/// Generates the index for a collection of `CallableMetadata`s to use in a `CategoryTopic`.