diff --git a/maud/src/lib.rs b/maud/src/lib.rs index 73ac24f5..7ee4a3a8 100644 --- a/maud/src/lib.rs +++ b/maud/src/lib.rs @@ -12,7 +12,7 @@ extern crate alloc; use alloc::{borrow::Cow, boxed::Box, string::String}; -use core::fmt::{self, Arguments, Write}; +use core::fmt::{self, Arguments, Display, Write}; pub use maud_macros::{html, html_debug}; @@ -184,6 +184,35 @@ impl_render_with_itoa! { u8 u16 u32 u64 u128 usize } +/// Renders a value using its [`Display`] impl. +/// +/// # Example +/// +/// ```rust +/// use maud::html; +/// use std::net::Ipv4Addr; +/// +/// let ip_address = Ipv4Addr::new(127, 0, 0, 1); +/// +/// let markup = html! { +/// "My IP address is: " +/// (maud::display(ip_address)) +/// }; +/// +/// assert_eq!(markup.into_string(), "My IP address is: 127.0.0.1"); +/// ``` +pub fn display(value: impl Display) -> impl Render { + struct DisplayWrapper(T); + + impl Render for DisplayWrapper { + fn render_to(&self, w: &mut String) { + format_args!("{0}", self.0).render_to(w); + } + } + + DisplayWrapper(value) +} + /// A wrapper that renders the inner value without escaping. #[derive(Debug, Clone, Copy)] pub struct PreEscaped>(pub T);