Struct ClearHelper

pub struct ClearHelper { /* private fields */ }

Clear a value in the key/value store

 assert_eq!(
   exec_template(json!({}), r#"{{set "k" 42}}{{clear "k"}}{{#if_set "k"}}OK{{else}}NOK{{/if_set}}"#),
   "NOK"
 );
 assert_eq!(
   exec_template(json!({}), r#"{{clear "k"}}{{#if_set "k"}}OK{{else}}NOK{{/if_set}}"#),
   "NOK"
 );

see GetHelper for more examples

Implementations

impl ClearHelper

pub fn new(values: &Arc<RwLock<HashMap<String, Value>>>) -> Self

Trait Implementations

impl HelperDef for ClearHelper

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

A complex version of helper interface.

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