move smol_str to a separare repo

crates/libeditor/Cargo.toml

@@ -9,5 +9,5 @@ itertools = "0.7.8"
 superslice = "0.1.0"
 
 libsyntax2 = { path = "../libsyntax2" }
-smol_str = { path = "../smol_str" }
+smol_str = "0.1.0"
 assert_eq_text = { path = "../assert_eq_text" }

crates/libsyntax2/Cargo.toml

@@ -10,7 +10,7 @@ text_unit = "0.1.2"
 itertools = "0.7.5"
 drop_bomb = "0.1.4"
 parking_lot = "0.6.0"
-smol_str = { path = "../smol_str" }
+smol_str = "0.1.0"
 
 [dev-dependencies]
 assert_eq_text = { path = "../assert_eq_text" }

crates/smol_str/Cargo.toml

@@ -1,6 +0,0 @@
-[package]
-name = "smol_str"
-version = "0.1.0"
-authors = ["Aleksey Kladov <aleksey.kladov@gmail.com>"]
-
-[dependencies]

crates/smol_str/src/lib.rs

@@ -1,168 +0,0 @@
-use std::{sync::Arc, ops::Deref, fmt};
-
-#[derive(Clone)]
-pub struct SmolStr(Repr);
-
-impl SmolStr {
-    pub fn new(text: &str) -> SmolStr {
-        SmolStr(Repr::new(text))
-    }
-
-    pub fn as_str(&self) -> &str {
-        self.0.as_str()
-    }
-
-    pub fn to_string(&self) -> String {
-        self.as_str().to_string()
-    }
-}
-
-impl Deref for SmolStr {
-    type Target = str;
-
-    fn deref(&self) -> &str {
-        self.as_str()
-    }
-}
-
-impl PartialEq<str> for SmolStr {
-    fn eq(&self, other: &str) -> bool {
-        self.as_str() == other
-    }
-}
-
-impl PartialEq<SmolStr> for str {
-    fn eq(&self, other: &SmolStr) -> bool {
-        other == self
-    }
-}
-
-impl<'a> PartialEq<&'a str> for SmolStr {
-    fn eq(&self, other: &&'a str) -> bool {
-        self == *other
-    }
-}
-
-impl<'a> PartialEq<SmolStr> for &'a str {
-    fn eq(&self, other: &SmolStr) -> bool {
-        *self == other
-    }
-}
-
-impl PartialEq<String> for SmolStr {
-    fn eq(&self, other: &String) -> bool {
-        self.as_str() == other
-    }
-}
-
-impl PartialEq<SmolStr> for String {
-    fn eq(&self, other: &SmolStr) -> bool {
-        other == self
-    }
-}
-
-impl<'a> PartialEq<&'a String> for SmolStr {
-    fn eq(&self, other: &&'a String) -> bool {
-        self == *other
-    }
-}
-
-impl<'a> PartialEq<SmolStr> for &'a String {
-    fn eq(&self, other: &SmolStr) -> bool {
-        *self == other
-    }
-}
-
-impl fmt::Debug for SmolStr {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        fmt::Debug::fmt(self.as_str(), f)
-    }
-}
-
-impl fmt::Display for SmolStr {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        fmt::Display::fmt(self.as_str(), f)
-    }
-}
-
-const INLINE_CAP: usize = 22;
-const WS_TAG: u8 = (INLINE_CAP + 1) as u8;
-
-#[derive(Clone, Debug)]
-enum Repr {
-    Heap(Arc<str>),
-    Inline {
-        len: u8,
-        buf: [u8; INLINE_CAP],
-    },
-}
-
-impl Repr {
-    fn new(text: &str) -> Repr {
-        let len = text.len();
-        if len <= INLINE_CAP {
-            let mut buf = [0; INLINE_CAP];
-            buf[..len].copy_from_slice(text.as_bytes());
-            return Repr::Inline { len: len as u8, buf };
-        }
-
-        let newlines = text.bytes().take_while(|&b| b == b'\n').count();
-        let spaces = text[newlines..].bytes().take_while(|&b| b == b' ').count();
-        if newlines + spaces == len && newlines <= N_NEWLINES && spaces <= N_SPACES {
-            let mut buf = [0; INLINE_CAP];
-            buf[0] = newlines as u8;
-            buf[1] = spaces as u8;
-            return Repr::Inline { len: WS_TAG, buf };
-        }
-
-        Repr::Heap(
-            text.to_string().into_boxed_str().into()
-        )
-    }
-
-    fn as_str(&self) -> &str {
-        match self {
-            Repr::Heap(data) => &*data,
-            Repr::Inline { len, buf } => {
-                if *len == WS_TAG {
-                    let newlines = buf[0] as usize;
-                    let spaces = buf[1] as usize;
-                    assert!(newlines <= N_NEWLINES && spaces <= N_SPACES);
-                    return &WS[N_NEWLINES - newlines..N_NEWLINES + spaces];
-                }
-
-                let len = *len as usize;
-                let buf = &buf[..len];
-                unsafe { ::std::str::from_utf8_unchecked(buf) }
-            }
-        }
-    }
-}
-
-const N_NEWLINES: usize = 32;
-const N_SPACES: usize = 128;
-const WS: &str =
-    "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n                                                                                                                                ";
-
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    #[cfg(target_pointer_width = "64")]
-    fn smol_str_is_smol() {
-        assert_eq!(::std::mem::size_of::<SmolStr>(), 8 + 8 + 8)
-    }
-
-    #[test]
-    fn test_round_trip() {
-        let mut text = String::new();
-        for n in 0..256 {
-            let smol = SmolStr::new(&text);
-            assert_eq!(smol.as_str(), text.as_str());
-            text.push_str(&n.to_string());
-        }
-    }
-}
-