ch1: added minimal lexer implementation following chapter 1chapter1

1 files changed, 18 insertions, 0 deletions

diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..361f76f
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,18 @@
+mod lexer;
+
+use lexer::Lexer;
+use std::io::Read;
+
+fn main() {
+    println!("Lex stdin.");
+    println!("ENTER to lex current input.");
+    println!("C-c   to exit.");
+    let mut lex = Lexer::new(std::io::stdin().bytes().filter_map(|v| {
+        let v = v.ok()?;
+        Some(v.into())
+    }));
+
+    loop {
+        println!("{:?}", lex.gettok());
+    }
+}