1 files changed, 0 insertions, 83 deletions

diff --git a/crates/libsyntax2/src/smol_str.rs b/crates/libsyntax2/src/smol_str.rs
deleted file mode 100644
index abf69dce7..000000000
--- a/crates/libsyntax2/src/smol_str.rs
+++ /dev/null
@@ -1,83 +0,0 @@
-use std::{sync::Arc};
-
-const INLINE_CAP: usize = 22;
-const WS_TAG: u8 = (INLINE_CAP + 1) as u8;
-
-#[derive(Clone, Debug)]
-pub(crate) enum SmolStr {
-    Heap(Arc<str>),
-    Inline {
-        len: u8,
-        buf: [u8; INLINE_CAP],
-    },
-}
-
-impl SmolStr {
-    pub fn new(text: &str) -> SmolStr {
-        let len = text.len();
-        if len <= INLINE_CAP {
-            let mut buf = [0; INLINE_CAP];
-            buf[..len].copy_from_slice(text.as_bytes());
-            return SmolStr::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 SmolStr::Inline { len: WS_TAG, buf };
-        }
-
-        SmolStr::Heap(
-            text.to_string().into_boxed_str().into()
-        )
-    }
-
-    pub fn as_str(&self) -> &str {
-        match self {
-            SmolStr::Heap(data) => &*data,
-            SmolStr::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());
-        }
-    }
-}
-