From 42c4cb1d877d696bb97aa2e9402429dad42d7d66 Mon Sep 17 00:00:00 2001
From: Andrew Dona-Couch <hi@andrewcou.ch>
Date: Wed, 8 Jul 2020 17:03:02 +0000
Subject: Add fmt filter that swaps the first two arguments to format!().

This allows a more natural filter usage: `{{ val | fmt("{:?}") }}`
as well as enabling convenient filter composition:
`{{ price | to_f64 | fmt("${:.2}") | center }}`
---
 testing/tests/filters.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'testing')

diff --git a/testing/tests/filters.rs b/testing/tests/filters.rs
index b02a64b..035e5da 100644
--- a/testing/tests/filters.rs
+++ b/testing/tests/filters.rs
@@ -38,6 +38,18 @@ fn filter_format() {
     assert_eq!(t.render().unwrap(), "\"formatted\"");
 }
 
+#[derive(Template)]
+#[template(source = "{{ var|fmt(\"{:?}\") }}", ext = "html", escape = "none")]
+struct FmtTemplate<'a> {
+    var: &'a str,
+}
+
+#[test]
+fn filter_fmt() {
+    let t = FmtTemplate { var: "formatted" };
+    assert_eq!(t.render().unwrap(), "\"formatted\"");
+}
+
 #[derive(Template)]
 #[template(source = "{{ s|myfilter }}", ext = "txt")]
 struct MyFilterTemplate<'a> {
-- 
cgit