openharmony/third_party_rust_unicode-ident
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Return i/o Result from main

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This commit is contained in:
David Tolnay 2022-11-03 19:13:44 -07:00
parent 00a42eb9ff
commit 556e01ba9b
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GPG Key ID: F9BA143B95FF6D82
1 changed files with 3 additions and 2 deletions
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5
generate/src/main.rs
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@ -27,6 +27,7 @@ use std::cmp::Ordering;
use std::collections::{BTreeMap as Map, VecDeque};
use std::convert::TryFrom;
use std::fs;
use std::io;
use std::path::Path;
const CHUNK: usize = 64;
@ -54,7 +55,7 @@ fn search(ch: char, table: &[(u32, u32)]) -> bool {
.is_ok()
}
fn main() {
fn main() -> io::Result<()> {
let mut chunkmap = Map::<[u8; CHUNK], u8>::new();
let mut dense = Vec::<[u8; CHUNK]>::new();
let mut new_chunk = |chunk| {
@ -164,5 +165,5 @@ fn main() {
let out = write::output(&index_start, &index_continue, &halfdense);
let path = Path::new(env!("CARGO_MANIFEST_DIR")).join(PATH);
fs::write(path, out).unwrap();
fs::write(path, out)
}