build: separate bin/lib targets

Cargo.toml

@@ -6,13 +6,17 @@ version = "0.1.0"
 
 edition = "2021"
 
+[lib]
+name = "lispers"
+path = "src/lib.rs"
+
 [[bin]]
 name = "demo"
-path = "src/demo.rs"
+path = "src/bin/demo.rs"
 
 [[bin]]
 name = "repl"
-path = "src/repl.rs"
+path = "src/bin/repl.rs"
 
 [dependencies]
 as-any = "0.3.1"

src/bin/demo.rs

@@ -1,8 +1,5 @@
-mod lisp;
-mod parser;
-use parser::ExpressionStream;
-
-use crate::lisp::{eval, Environment};
+use lispers::lisp::{eval, Environment};
+use lispers::parser::ExpressionStream;
 
 fn main() {
     let programs = [

src/bin/repl.rs

@@ -1,9 +1,8 @@
-use lisp::Expression;
-use parser::ParserError;
+use lispers::lisp::Expression;
+use lispers::parser::ParserError;
 
+use lispers::{lisp, parser};
 use std::io::Write;
-mod parser;
-mod lisp;
 
 fn main() {
     let env = lisp::Environment::default();
@@ -18,7 +17,9 @@ fn main() {
             break;
         }
 
-        match parser::ExpressionStream::from_char_stream(input.chars()).collect::<Result<Vec<Expression>, ParserError>>() {
+        match parser::ExpressionStream::from_char_stream(input.chars())
+            .collect::<Result<Vec<Expression>, ParserError>>()
+        {
             Err(e) => println!("Parser Error: {:?}", e),
             Ok(exprs) => {
                 for expr in exprs {

src/lib.rs

@@ -0,0 +1,2 @@
+pub mod lisp;
+pub mod parser;