Struct DebugHelper

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pub struct DebugHelper;
Expand description

A debug helper that output a json representation of input parameters

assert_eq!(
  exec_template(json!({"plop": "plop"}), "{{debug 42 \"42\" plop non_existing}}"),
  r#"
[
  {
    "relative_path": "",
    "value": 42
  },
  {
    "relative_path": "",
    "value": "42"
  },
  {
    "relative_path": "plop",
    "value": "plop"
  },
  {
    "relative_path": "non_existing",
    "value": null
  }
]
"#
);

Trait Implementations§

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impl HelperDef for DebugHelper

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fn call<'reg: 'rc, 'rc>( &self, h: &Helper<'reg, 'rc>, _r: &'reg Handlebars<'reg>, _ctx: &'rc Context, _rc: &mut RenderContext<'reg, 'rc>, out: &mut dyn Output, ) -> HelperResult

A complex version of helper interface. Read more
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fn call_inner<'reg, 'rc>( &self, _: &Helper<'reg, 'rc>, _: &'reg Registry<'reg>, _: &'rc Context, _: &mut RenderContext<'reg, 'rc>, ) -> Result<ScopedJson<'reg, 'rc>, RenderError>
where 'reg: 'rc,

A simplified api to define helper Read more

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impl<T> Any for T
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fn instrument(self, span: Span) -> Instrumented<Self>

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Calls U::from(self).

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type Error = Infallible

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type Error = <U as TryFrom<T>>::Error

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