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Use efficient method for nested template rendering

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This commit is contained in:
Dirkjan Ochtman 2020-07-23 22:04:29 +02:00
parent b801724738
commit ecafb9b10a
2 changed files with 6 additions and 5 deletions
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5
book/src/template_syntax.md
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@ -304,7 +304,7 @@ testing and reuse.
```rust ```rust
use askama::Template; use askama::Template;
#[derive(Template)] #[derive(Template)]
#[template(source = "Section 1: {{ s1.render().unwrap() }}", ext = "txt")] #[template(source = "Section 1: {{ s1 }}", ext = "txt")]
struct RenderInPlace<'a> { struct RenderInPlace<'a> {
s1: SectionOne<'a> s1: SectionOne<'a>
} }
@ -315,6 +315,7 @@ struct SectionOne<'a> {
a: &'a str, a: &'a str,
b: &'a str, b: &'a str,
} }
let t = RenderInPlace { s1: SectionOne { a: "a", b: "b" } }; let t = RenderInPlace { s1: SectionOne { a: "a", b: "b" } };
assert_eq!(t.render().unwrap(), "Section 1: A=a\nB=b") assert_eq!(t.render().unwrap(), "Section 1: A=a\nB=b")
``` ```
@ -344,7 +345,7 @@ use askama::Template;
#[derive(Template)] #[derive(Template)]
#[template(source = r#" #[template(source = r#"
//! {% for item in children %} //! {% for item in children %}
{{ item.render().unwrap() }} {{ item }}
{% endfor %} {% endfor %}
"#, ext = "html", escape = "none")] "#, ext = "html", escape = "none")]
struct Item<'a> { struct Item<'a> {

6
testing/templates/render_in_place.html
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@ -1,6 +1,6 @@
Section 1: {{ s1.render().unwrap() }} Section 1: {{ s1 }}
Section 2: {{ s2.render().unwrap()|safe }} Section 2: {{ s2|safe }}
Section 3 for: Section 3 for:
{% for s in s3.as_slice() -%} {% for s in s3.as_slice() -%}
* {{ s.render().unwrap() }} * {{ s }}
{% endfor %} {% endfor %}