intern/
intern.rs

1use pool::Pool;
2use std::ffi::{CStr, CString, OsStr, OsString};
3use std::path::{Path, PathBuf};
4
5pub trait Intern {
6    type Interned: 'static;
7    fn intern(self) -> &'static Self::Interned;
8}
9
10lazy_static!{
11    static ref STR_POOL: Pool<str> = Pool::new();
12    static ref C_STR_POOL: Pool<CStr> = Pool::new();
13    static ref OS_STR_POOL: Pool<OsStr> = Pool::new();
14    static ref PATH_POOL: Pool<Path> = Pool::new();
15}
16
17impl<'a> Intern for &'a str {
18    type Interned = String;
19    fn intern(self) -> &'static Self::Interned { STR_POOL.intern(self) }
20}
21impl Intern for String {
22    type Interned = Self;
23    fn intern(self) -> &'static Self::Interned { STR_POOL.intern(self) }
24}
25impl<'a> Intern for &'a String {
26    type Interned = String;
27    fn intern(self) -> &'static Self::Interned { STR_POOL.intern(&**self) }
28}
29impl<'a> Intern for &'a mut String {
30    type Interned = String;
31    fn intern(self) -> &'static Self::Interned { STR_POOL.intern(&**self) }
32}
33
34impl<'a> Intern for &'a CStr {
35    type Interned = CString;
36    fn intern(self) -> &'static Self::Interned { C_STR_POOL.intern(self) }
37}
38impl Intern for CString {
39    type Interned = Self;
40    fn intern(self) -> &'static Self::Interned { C_STR_POOL.intern(self) }
41}
42impl<'a> Intern for &'a CString {
43    type Interned = CString;
44    fn intern(self) -> &'static Self::Interned { C_STR_POOL.intern(&**self) }
45}
46impl<'a> Intern for &'a mut CString {
47    type Interned = CString;
48    fn intern(self) -> &'static Self::Interned { C_STR_POOL.intern(&**self) }
49}
50
51impl<'a> Intern for &'a OsStr {
52    type Interned = OsString;
53    fn intern(self) -> &'static Self::Interned { OS_STR_POOL.intern(self) }
54}
55impl Intern for OsString {
56    type Interned = Self;
57    fn intern(self) -> &'static Self::Interned { OS_STR_POOL.intern(self) }
58}
59impl<'a> Intern for &'a OsString {
60    type Interned = OsString;
61    fn intern(self) -> &'static Self::Interned { OS_STR_POOL.intern(&**self) }
62}
63impl<'a> Intern for &'a mut OsString {
64    type Interned = OsString;
65    fn intern(self) -> &'static Self::Interned { OS_STR_POOL.intern(&**self) }
66}
67
68impl<'a> Intern for &'a Path {
69    type Interned = PathBuf;
70    fn intern(self) -> &'static Self::Interned { PATH_POOL.intern(self) }
71}
72impl Intern for PathBuf {
73    type Interned = Self;
74    fn intern(self) -> &'static Self::Interned { PATH_POOL.intern(self) }
75}
76impl<'a> Intern for &'a PathBuf {
77    type Interned = PathBuf;
78    fn intern(self) -> &'static Self::Interned { PATH_POOL.intern(&**self) }
79}
80impl<'a> Intern for &'a mut PathBuf {
81    type Interned = PathBuf;
82    fn intern(self) -> &'static Self::Interned { PATH_POOL.intern(&**self) }
83}
intern/intern.rs

intern/
intern.rs
