[−][src]Function proc_macro_roids::meta_list_contains

pub fn meta_list_contains(meta_list: &MetaList, operand: &NestedMeta) -> bool

Returns whether the MetaList contains the specified NestedMeta.

This can be used to check if a #[derive(..)] contains SomeDerive.

Parameters

  • meta_list: The MetaList to check.
  • operand: NestedMeta that may be in the list.