implement some 0.2.0 features

src/debug.rs

@@ -1,9 +1,28 @@
-pub fn error(e: &anyhow::Error) {
-    eprintln!("[{}] [error] {e}", now())
-}
+mod level;
+use level::Level;
 
-pub fn info(message: String) {
-    println!("[{}] [info] {message}", now())
+pub struct Debug(Vec<Level>);
+
+impl Debug {
+    pub fn init(levels: &str) -> anyhow::Result<Self> {
+        let mut l = Vec::with_capacity(levels.len());
+        for s in levels.to_lowercase().chars() {
+            l.push(Level::parse(s)?);
+        }
+        Ok(Self(l))
+    }
+
+    pub fn error(&self, message: &str) {
+        if self.0.contains(&Level::Error) {
+            eprintln!("[{}] [error] {message}", now());
+        }
+    }
+
+    pub fn info(&self, message: &str) {
+        if self.0.contains(&Level::Info) {
+            println!("[{}] [info] {message}", now());
+        }
+    }
 }
 
 fn now() -> u128 {