whitaker_common/attributes/
kind.rs

1//! Attribute classification helpers.
2
3/// Describes whether an attribute is written as `#![...]` or `#[...]`.
4#[derive(Clone, Copy, Debug, PartialEq, Eq)]
5pub enum AttributeKind {
6    /// Inner attributes appear inside an item: `#![...]`.
7    Inner,
8    /// Outer attributes decorate an item from the outside: `#[...]`.
9    Outer,
10}
11
12impl AttributeKind {
13    /// Returns `true` when the attribute is an inner attribute.
14    ///
15    /// # Examples
16    ///
17    /// ```
18    /// use whitaker_common::attributes::AttributeKind;
19    ///
20    /// assert!(AttributeKind::Inner.is_inner());
21    /// assert!(!AttributeKind::Outer.is_inner());
22    /// ```
23    #[must_use]
24    pub const fn is_inner(self) -> bool {
25        matches!(self, Self::Inner)
26    }
27
28    /// Returns `true` when the attribute is an outer attribute.
29    ///
30    /// # Examples
31    ///
32    /// ```
33    /// use whitaker_common::attributes::AttributeKind;
34    ///
35    /// assert!(AttributeKind::Outer.is_outer());
36    /// assert!(!AttributeKind::Inner.is_outer());
37    /// ```
38    #[must_use]
39    pub const fn is_outer(self) -> bool {
40        matches!(self, Self::Outer)
41    }
42}
whitaker_common/attributes/kind.rs

whitaker_common/attributes/
kind.rs
