Constant askama::filters::BUILT_IN_FILTERS

pub const BUILT_IN_FILTERS: [&'static str; 18] = ["abs", "capitalize", "center", "e", "escape", "format", "join", "linebreaks",
 "linebreaksbr", "lower", "lowercase", "safe", "trim", "truncate", "upper",
 "uppercase", "wordcount", "json"]