syntax​::attr

Structs

Stability

Traits

AttrMetaMethodsAttributeMethods

Functions

containscontains_namefind_crateidfind_inline_attrfind_repr_attrfind_stabilityfind_stability_genericfirst_attr_value_str_by_nameis_usedlast_meta_item_value_str_by_namemark_usedmk_attr_idmk_attr_innermk_attr_outermk_list_itemmk_name_value_itemmk_name_value_item_strmk_sugared_doc_attrmk_word_itemrequire_unique_namessort_meta_itemstest_cfg

Function syntax::attr::contains[src]

pub fn contains(haystack: &[Gc<MetaItem>], needle: Gc<MetaItem>) -> bool

Check if needle occurs in haystack by a structural comparison. This is slightly subtle, and relies on ignoring the span included in the == comparison a plain MetaItem.