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46 lines
1.1 KiB
Rust
46 lines
1.1 KiB
Rust
#[allow(unused_macros)]
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macro_rules! log {
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($e:expr) => {{
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if cfg!(debug_assertions) {
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if let Ok(mut file) = std::fs::OpenOptions::new()
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.append(true)
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.create(true)
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.open("phetch.log")
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{
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use std::io::prelude::*;
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file.write($e.as_ref());
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file.write(b"\n");
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}
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}
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}};
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($e:expr, $($y:expr),*) => {
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if cfg!(debug_assertions) {
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log!(format!($e, $($y),*));
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}
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};
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}
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macro_rules! error {
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($e:expr) => {
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std::io::Error::new(std::io::ErrorKind::Other, $e)
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};
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($e:expr, $($y:expr),*) => {
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error!(format!($e, $($y),*));
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};
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}
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// Number of bytes in a human-ish readable format.
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pub fn human_bytes(bytes: usize) -> String {
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let (count, tag) = if bytes < 1000 {
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(bytes, " bytes")
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} else if bytes < 1_000_000 {
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(bytes / 1000, "Kb")
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} else if bytes < 1_000_000_000 {
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(bytes / 1_000_000, "Mb")
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} else {
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(bytes / 1_000_000_000, "Gb")
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};
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format!("{}{}", count, tag)
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}
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