Function libredr_common::message::map_cache_data

source · 
pub fn map_cache_data<R, F>(
    hash: &Hash,
    data_cache: &DataCache,
    f: F
) -> Result<R>where
    F: FnOnce(&Data) -> Result<R>,
Expand description

Get hash data from data_cache, return result of f(data)

To prevent data copy, data is not returned