rust/syn/span.rs

Source file repositories/reference/linux-study-clean/rust/syn/span.rs

File Facts

System
Linux kernel
Corpus path
rust/syn/span.rs
Extension
.rs
Size
1244 bytes
Lines
66
Domain
Rust Kernel Layer
Bucket
Rust API Membrane
Inferred role
Rust Kernel Layer: implementation source
Status
source implementation candidate

Why This File Exists

Rust-side wrappers and abstractions around kernel C APIs, ownership contracts, allocation, synchronization, and module integration.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: Apache-2.0 OR MIT

use proc_macro2::extra::DelimSpan;
use proc_macro2::{Delimiter, Group, Span, TokenStream};

#[doc(hidden)]
pub trait IntoSpans<S> {
    fn into_spans(self) -> S;
}

impl IntoSpans<Span> for Span {
    fn into_spans(self) -> Span {
        self
    }
}

impl IntoSpans<[Span; 1]> for Span {
    fn into_spans(self) -> [Span; 1] {
        [self]
    }
}

impl IntoSpans<[Span; 2]> for Span {
    fn into_spans(self) -> [Span; 2] {
        [self, self]
    }
}

impl IntoSpans<[Span; 3]> for Span {
    fn into_spans(self) -> [Span; 3] {
        [self, self, self]
    }
}

impl IntoSpans<[Span; 1]> for [Span; 1] {
    fn into_spans(self) -> [Span; 1] {
        self
    }
}

impl IntoSpans<[Span; 2]> for [Span; 2] {
    fn into_spans(self) -> [Span; 2] {
        self
    }
}

impl IntoSpans<[Span; 3]> for [Span; 3] {
    fn into_spans(self) -> [Span; 3] {
        self
    }
}

impl IntoSpans<DelimSpan> for Span {
    fn into_spans(self) -> DelimSpan {
        let mut group = Group::new(Delimiter::None, TokenStream::new());
        group.set_span(self);
        group.delim_span()
    }
}

impl IntoSpans<DelimSpan> for DelimSpan {
    fn into_spans(self) -> DelimSpan {
        self
    }
}

Annotation

Implementation Notes