themystery/izanami
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refactor: use match with cmp instead of bunch of if's

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This commit is contained in:
Seymur Bagirov 2025-01-16 23:54:33 +04:00
parent 54912b7087
commit 2230c468e4
1 changed files with 29 additions and 25 deletions
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12
src/main.rs
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@ -1,14 +1,16 @@
use std::{env::args_os, ffi::OsString, process::ExitCode}; use std::{cmp::Ordering, env::args_os, ffi::OsString, process::ExitCode};
use izanami::{run_file, run_prompt, RunError}; use izanami::{run_file, run_prompt, RunError};
fn main() -> ExitCode { fn main() -> ExitCode {
let args: Vec<OsString> = args_os().collect(); let args: Vec<OsString> = args_os().collect();
if args.len() > 2 { match args.len().cmp(&2) {
Ordering::Greater => {
println!("usage: izanami [script]"); println!("usage: izanami [script]");
return ExitCode::from(64); return ExitCode::from(64);
} else if args.len() == 2 { }
Ordering::Equal => {
let result = run_file(args[1].to_str().unwrap()); let result = run_file(args[1].to_str().unwrap());
if let Err(RunError::FileReadError(e)) = result { if let Err(RunError::FileReadError(e)) = result {
@ -27,7 +29,8 @@ fn main() -> ExitCode {
if let Err(RunError::ParseError) = result { if let Err(RunError::ParseError) = result {
return ExitCode::from(75); return ExitCode::from(75);
} }
} else { }
Ordering::Less => {
let result = run_prompt(); let result = run_prompt();
if let Err(res) = result { if let Err(res) = result {
@ -35,6 +38,7 @@ fn main() -> ExitCode {
return ExitCode::from(1); return ExitCode::from(1);
} }
} }
}
ExitCode::SUCCESS ExitCode::SUCCESS
} }