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Add Item::attrs and Item::attrs_mut getters #872

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Add Item::attrs and Item::attrs_mut getters #872

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48 changes: 48 additions & 0 deletions src/item.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -326,6 +326,54 @@ ast_struct! {
}
}

impl Item {
/// Returns a shared reference to the attributes of the item.
pub fn attrs(&self) -> &[Attribute] {
match self {
Item::Const(ItemConst { attrs, .. })
| Item::Enum(ItemEnum { attrs, .. })
| Item::ExternCrate(ItemExternCrate { attrs, .. })
| Item::Fn(ItemFn { attrs, .. })
| Item::ForeignMod(ItemForeignMod { attrs, .. })
| Item::Impl(ItemImpl { attrs, .. })
| Item::Macro(ItemMacro { attrs, .. })
| Item::Macro2(ItemMacro2 { attrs, .. })
| Item::Mod(ItemMod { attrs, .. })
| Item::Static(ItemStatic { attrs, .. })
| Item::Struct(ItemStruct { attrs, .. })
| Item::Trait(ItemTrait { attrs, .. })
| Item::TraitAlias(ItemTraitAlias { attrs, .. })
| Item::Type(ItemType { attrs, .. })
| Item::Union(ItemUnion { attrs, .. })
| Item::Use(ItemUse { attrs, .. }) => attrs,
Item::Verbatim(_) | Item::__Nonexhaustive => &[],
}
}

/// Returns an exclusive reference to the attributes of the item.
pub fn attrs_mut(&mut self) -> &mut [Attribute] {
match self {
Item::Const(ItemConst { attrs, .. })
| Item::Enum(ItemEnum { attrs, .. })
| Item::ExternCrate(ItemExternCrate { attrs, .. })
| Item::Fn(ItemFn { attrs, .. })
| Item::ForeignMod(ItemForeignMod { attrs, .. })
| Item::Impl(ItemImpl { attrs, .. })
| Item::Macro(ItemMacro { attrs, .. })
| Item::Macro2(ItemMacro2 { attrs, .. })
| Item::Mod(ItemMod { attrs, .. })
| Item::Static(ItemStatic { attrs, .. })
| Item::Struct(ItemStruct { attrs, .. })
| Item::Trait(ItemTrait { attrs, .. })
| Item::TraitAlias(ItemTraitAlias { attrs, .. })
| Item::Type(ItemType { attrs, .. })
| Item::Union(ItemUnion { attrs, .. })
| Item::Use(ItemUse { attrs, .. }) => attrs,
Item::Verbatim(_) | Item::__Nonexhaustive => &mut [],
}
}
}

#[cfg(feature = "extra-traits")]
impl Eq for Item {}

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