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Use formatting commands for padding.

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This commit is contained in:
Stephen Chung 2020-04-02 22:37:35 +08:00
parent 0873bdc152
commit 9d7091ad9d
2 changed files with 8 additions and 14 deletions
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9
examples/repl.rs
View File

@ -9,10 +9,6 @@ use std::{
};
fn print_error(input: &str, err: EvalAltResult) {
fn padding(pad: &str, len: usize) -> String {
iter::repeat(pad).take(len).collect::<String>()
}
let lines: Vec<_> = input.trim().split('\n').collect();
let line_no = if lines.len() > 1 {
@ -54,8 +50,9 @@ fn print_error(input: &str, err: EvalAltResult) {
};
println!(
"{}^ {}",
padding(" ", line_no.len() + p.position().unwrap() - 1),
"{0:>1$} {2}",
"^",
line_no.len() + p.position().unwrap(),
err_text.replace(&pos_text, "")
);
}

13
examples/rhai_runner.rs
View File

@ -5,10 +5,6 @@ use rhai::OptimizationLevel;
use std::{env, fs::File, io::Read, iter, process::exit};
fn padding(pad: &str, len: usize) -> String {
iter::repeat(pad).take(len).collect::<String>()
}
fn eprint_error(input: &str, err: EvalAltResult) {
fn eprint_line(lines: &[&str], line: usize, pos: usize, err: &str) {
let line_no = format!("{}: ", line);
@ -16,8 +12,9 @@ fn eprint_error(input: &str, err: EvalAltResult) {
eprintln!("{}{}", line_no, lines[line - 1]);
eprintln!(
"{}^ {}",
padding(" ", line_no.len() + pos - 1),
"{:>1$} {2}",
"^",
line_no.len() + pos,
err.replace(&pos_text, "")
);
eprintln!("");
@ -76,9 +73,9 @@ fn main() {
}
if let Err(err) = engine.consume(false, &contents) {
eprintln!("{}", padding("=", filename.len()));
eprintln!("{:=<1$}", "", filename.len());
eprintln!("{}", filename);
eprintln!("{}", padding("=", filename.len()));
eprintln!("{:=<1$}", "", filename.len());
eprintln!("");
eprint_error(&contents, err);