Cargo.toml

@@ -5,15 +5,11 @@ edition = "2021"
 
 [dependencies]
 anyhow = "1.0"
-cfg-if = "1.0.0"
 clap = { version = "4.5", features = ["derive"] }
 fasteval = "0.2.4"
 tinyaudio = { version = "0.1", optional = true }
 
 [features]
-# default = []
-# default = ["save"]
-# default = ["play"]
 default = ["play", "save"]
 play = ["dep:tinyaudio"]
 save = []

src/cli.rs

@@ -1,54 +1,21 @@
 use std::{fs::read_to_string, ops::Deref, path::Path, str::FromStr};
-cfg_if! {
-    if #[cfg(save)] {
-        use std::path::PathBuf;
-    }
-}
 
 use anyhow::{Context, Error};
-use cfg_if::cfg_if;
 use clap::Parser;
 
 #[derive(Parser)]
-#[cfg_attr(debug_assertions, derive(Debug))]
 pub(super) struct Args {
     #[arg(short, long, value_parser = Instrument::from_str)]
-    instrument: Option<Instrument>,
-    #[cfg(save)]
-    #[arg(short, long)]
-    output: Option<PathBuf>,
-    #[cfg(play)]
-    #[arg(short, long)]
-    silent: bool,
-    score: Score,
+    instrument: Instrument,
 }
 
-#[derive(Clone)]
-#[cfg_attr(debug_assertions, derive(Debug))]
-pub(super) struct Score(String);
-
-impl FromStr for Score {
-    type Err = Error;
-    fn from_str(value: &str) -> Result<Self, Self::Err> {
-        let maybe_a_path = Path::new(&value);
-        Ok(Score(if maybe_a_path.is_file() {
-            read_to_string(maybe_a_path)
-                .context("you gave me the path of a real file but reading it is hard!")?
-        } else {
-            value.to_owned() // hope it's a good one
-        }))
-    }
-}
-
-impl Deref for Score {
-    type Target = <String as Deref>::Target;
-    fn deref(&self) -> &Self::Target {
-        &self.0
+impl Args {
+    pub(super) fn instrument(&self) -> &<Instrument as Deref>::Target {
+        &self.instrument
     }
 }
 
 #[derive(Clone)]
-#[cfg_attr(debug_assertions, derive(Debug))]
 pub(super) struct Instrument(String);
 
 impl FromStr for Instrument {
@@ -59,7 +26,7 @@ impl FromStr for Instrument {
             read_to_string(maybe_a_path)
                 .context("you gave me the path of a real file but reading it is hard!")?
         } else {
-            value.to_owned() // hope it's a good one
+            value.to_owned() // hope it's good
         }))
     }
 }

src/main.rs

@@ -5,7 +5,6 @@ mod cli;
 
 fn main() -> Result<()> {
     let args = cli::Args::try_parse()?;
-    #[cfg(debug_assertions)]
-    println!("{:?}", args);
+    println!("got: {}", args.instrument());
     Ok(())
 }