72 lines
1.4 KiB
Rust
72 lines
1.4 KiB
Rust
//! Module defining script identifiers.
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use crate::{ImmutableString, Position};
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#[cfg(feature = "no_std")]
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use std::prelude::v1::*;
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use std::{
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borrow::Borrow,
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fmt,
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hash::Hash,
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ops::{Deref, DerefMut},
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};
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/// _(internals)_ An identifier containing a name and a [position][Position].
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/// Exported under the `internals` feature only.
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#[derive(Clone, Eq, PartialEq, Hash)]
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pub struct Ident {
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/// Identifier name.
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pub name: ImmutableString,
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/// Position.
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pub pos: Position,
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}
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impl fmt::Debug for Ident {
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#[cold]
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#[inline(never)]
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "{:?}", self.name)?;
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self.pos.debug_print(f)
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}
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}
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impl Borrow<str> for Ident {
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#[inline(always)]
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#[must_use]
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fn borrow(&self) -> &str {
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self.name.as_ref()
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}
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}
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impl AsRef<str> for Ident {
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#[inline(always)]
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#[must_use]
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fn as_ref(&self) -> &str {
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self.name.as_ref()
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}
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}
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impl Deref for Ident {
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type Target = ImmutableString;
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#[inline(always)]
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fn deref(&self) -> &Self::Target {
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&self.name
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}
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}
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impl DerefMut for Ident {
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#[inline(always)]
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fn deref_mut(&mut self) -> &mut Self::Target {
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&mut self.name
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}
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}
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impl Ident {
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/// Get the name of the identifier as a string slice.
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#[inline(always)]
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#[must_use]
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pub fn as_str(&self) -> &str {
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self.name.as_str()
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}
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}
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