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| author | Bastian Kauschke <bastian_kauschke@hotmail.de> | 2020-09-17 09:28:14 +0200 |
|---|---|---|
| committer | Bastian Kauschke <bastian_kauschke@hotmail.de> | 2020-09-20 08:11:05 +0200 |
| commit | 3435683fd5930676b5a7ccd40dc08e4758e8b90a (patch) | |
| tree | 74920e5620b83156a7e5d8b28e83e141432a98f2 /compiler/rustc_span | |
| parent | 255a4c58f5863ed41c2e68792799125c6c676575 (diff) | |
| download | rust-3435683fd5930676b5a7ccd40dc08e4758e8b90a.tar.gz rust-3435683fd5930676b5a7ccd40dc08e4758e8b90a.zip | |
use `array_windows` instead of `windows` in the compiler
Diffstat (limited to 'compiler/rustc_span')
| -rw-r--r-- | compiler/rustc_span/src/lib.rs | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index e38cd516b91..e817fa56c55 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -5,6 +5,7 @@ //! This API is completely unstable and subject to change. #![doc(html_root_url = "https://doc.rust-lang.org/nightly/")] +#![feature(array_windows)] #![feature(crate_visibility_modifier)] #![feature(const_fn)] #![feature(const_panic)] @@ -1158,7 +1159,12 @@ impl<S: Encoder> Encodable<S> for SourceFile { let max_line_length = if lines.len() == 1 { 0 } else { - lines.windows(2).map(|w| w[1] - w[0]).map(|bp| bp.to_usize()).max().unwrap() + lines + .array_windows() + .map(|&[fst, snd]| snd - fst) + .map(|bp| bp.to_usize()) + .max() + .unwrap() }; let bytes_per_diff: u8 = match max_line_length { @@ -1173,7 +1179,7 @@ impl<S: Encoder> Encodable<S> for SourceFile { // Encode the first element. lines[0].encode(s)?; - let diff_iter = (&lines[..]).windows(2).map(|w| (w[1] - w[0])); + let diff_iter = lines[..].array_windows().map(|&[fst, snd]| snd - fst); match bytes_per_diff { 1 => { |