Available on crate feature
path
only.Expand description
Intern path strings.
This module provides a nearly identical API to the one found in the top-level of this crate. There is one important difference:
- Interned contents are
&Path
instead of&str
. Additionally,PathBuf
is used whereString
would have been used.
§Example: intern path string
let mut table = SymbolTable::new();
let sym = table.intern(Path::new("abc"))?;
assert_eq!(sym, table.intern(PathBuf::from("abc"))?);
assert_eq!(Some(Path::new("abc")), table.get(sym));
§Example: symbol iterators
let mut table = SymbolTable::new();
let sym = table.intern(Path::new("abc"))?;
// Retrieve set of `Symbol`s.
let all_symbols = table.all_symbols();
assert_eq!(vec![sym], all_symbols.collect::<Vec<_>>());
table.intern(Path::new("xyz"))?;
let mut map = HashMap::new();
map.insert(Symbol::new(0), Path::new("abc"));
map.insert(Symbol::new(1), Path::new("xyz"));
// Retrieve symbol to path string content mappings.
let iter = table.iter();
assert_eq!(map, iter.collect::<HashMap<_, _>>());
§Performance
In general, one should expect this crate’s performance on &Path
to be
roughly similar to performance on &str
.
Structs§
- An iterator over all
Symbol
s in aSymbolTable
. - An iterator over all symbols and interned path strings in a
SymbolTable
. - An iterator over all interned path strings in a
SymbolTable
. - Path string interner.