diff options
Diffstat (limited to 'users/tazjin/rlox/src/main.rs')
-rw-r--r-- | users/tazjin/rlox/src/main.rs | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/users/tazjin/rlox/src/main.rs b/users/tazjin/rlox/src/main.rs index 2d8cf4f354ea..ee61ae01a106 100644 --- a/users/tazjin/rlox/src/main.rs +++ b/users/tazjin/rlox/src/main.rs @@ -1,8 +1,5 @@ -use std::env; -use std::fs; -use std::io; use std::io::Write; -use std::process; +use std::{env, fs, io, process}; mod bytecode; mod scanner; @@ -15,10 +12,7 @@ pub trait Lox { type Error: std::fmt::Display; fn create() -> Self; - fn interpret( - &mut self, - source: String, - ) -> Result<Self::Value, Vec<Self::Error>>; + fn interpret(&mut self, source: String) -> Result<Self::Value, Vec<Self::Error>>; } fn main() { @@ -29,9 +23,7 @@ fn main() { } match env::var("LOX_INTERPRETER").as_ref().map(String::as_str) { - Ok("treewalk") => { - pick::<treewalk::interpreter::Interpreter>(args.nth(1)) - } + Ok("treewalk") => pick::<treewalk::interpreter::Interpreter>(args.nth(1)), _ => pick::<bytecode::Interpreter>(args.nth(1)), } } @@ -46,8 +38,7 @@ fn pick<I: Lox>(file_arg: Option<String>) { // Run Lox code from a file and print results to stdout fn run_file<I: Lox>(file: &str) { - let contents = - fs::read_to_string(file).expect("failed to read the input file"); + let contents = fs::read_to_string(file).expect("failed to read the input file"); let mut lox = I::create(); run(&mut lox, contents); } |