Separate lib from binary

Makes integration testing easier

src/lib.rs

@@ -0,0 +1,18 @@
+// Public modules
+pub mod cli;
+pub mod evaluator;
+
+// Private modules
+mod bytes;
+mod compressors;
+mod decompressors;
+mod dialogs;
+mod error;
+mod extension;
+mod file;
+mod test;
+mod utils;
+
+const VERSION: &str = "0.1.5";
+
+pub use error::{Error, Result};

src/main.rs

@@ -1,21 +1,8 @@
-mod bytes;
-mod cli;
-mod compressors;
-mod decompressors;
-mod dialogs;
-mod error;
-mod evaluator;
-mod extension;
-mod file;
-mod test;
-mod utils;
-
-pub const VERSION: &str = "0.1.5";
-
-use error::{Error, Result};
-use evaluator::Evaluator;
-
-use crate::cli::ParsedArgs;
+use ouch::{
+    cli::{parse_args, ParsedArgs},
+    evaluator::Evaluator,
+    Result,
+};
 
 fn main() {
     if let Err(err) = run() {
@@ -25,6 +12,6 @@ fn main() {
 }
 
 fn run() -> crate::Result<()> {
-    let ParsedArgs { command, flags } = cli::parse_args()?;
+    let ParsedArgs { command, flags } = parse_args()?;
     Evaluator::evaluate(command, &flags)
 }