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a/rust/examples/liquid-loops/Cargo.toml b/rust/examples/liquid-loops/Cargo.toml new file mode 100644 index 000000000..38b330f55 --- /dev/null +++ b/rust/examples/liquid-loops/Cargo.toml @@ -0,0 +1,9 @@ +[package] +name = "liquid-filter-reverse" +version = "0.1.0" +edition = "2021" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] +liquid = "0.26.4" diff --git a/rust/examples/liquid-loops/src/main.rs b/rust/examples/liquid-loops/src/main.rs new file mode 100644 index 000000000..3cd364a8b --- /dev/null +++ b/rust/examples/liquid-loops/src/main.rs @@ -0,0 +1,34 @@ +fn render(tmpl: &str) -> String { + let template = liquid::ParserBuilder::with_stdlib() + .build() + .unwrap() + .parse(tmpl).unwrap(); + + let globals = liquid::object!({ + "items": vec![2, 3, 4, 5, 6, 7, 8], + }); + let output = template.render(&globals).unwrap(); + return output +} + +#[test] +pub fn test_reverse() { + let result = render("direct: {% for item in items %}{{item}} {% endfor %}"); + assert_eq!(result, "direct: 2 3 4 5 6 7 8 "); + + let result = render("limit: {% for item in items limit: 4 %}{{item}} {% endfor %}"); + assert_eq!(result, "limit: 2 3 4 5 "); + + let result = render("offset: {% for item in items offset: 2 %}{{item}} {% endfor %}"); + assert_eq!(result, "offset: 4 5 6 7 8 "); + + let result = render("offset and limit: {% for item in items offset: 2 limit: 4 %}{{item}} {% endfor %}"); + assert_eq!(result, "offset and limit: 4 5 6 7 "); + + // https://github.com/cobalt-org/liquid-rust/issues/274 + // let result = render("continue: {% for item in items limit: 3 %}{{item}} {% endfor %}new: {% for item in items offset:continue limit: 3 %}{{item}} {% endfor %}"); + // assert_eq!(result, "continue: 2 3 4 new: 5 6 7 "); + + let result = render("reversed: {% for item in items reversed %}{{item}} {% endfor %}"); + assert_eq!(result, "reversed: 8 7 6 5 4 3 2 "); +} diff --git a/rust/liquid.md b/rust/liquid.md index 8be8b6173..d4c1d6447 100644 --- a/rust/liquid.md +++ b/rust/liquid.md @@ -191,3 +191,13 @@ first or last ![](examples/liquid-filter-reverse/Cargo.toml) ![](examples/liquid-filter-reverse/src/main.rs) +## Liquid for loop: limit, offset, reversed +{id: liquid-for-loop-limit-offset-reversed} +{i: limit} +{i: offset} +{i: reversed} + +![](examples/liquid-loops/Cargo.toml) +![](examples/liquid-loops/src/main.rs) + +