add error type to iobuffer

1 files changed, 15 insertions, 10 deletions

diff --git a/src/lua/iobuffer.rs b/src/lua/iobuffer.rs
index 1150e0d..baab111 100644
--- a/src/lua/iobuffer.rs
+++ b/src/lua/iobuffer.rs
@@ -1,33 +1,38 @@
 use std::sync::RwLock;
 
+#[derive(Clone)]
+pub enum BufferChunk {
+    StdOut(String),
+    StdErr(String),
+}
+
 pub struct IoBuffer {
-    buffer: String,
+    buffer: Vec<BufferChunk>,
 }
 
 impl IoBuffer {
     const fn new() -> Self {
         Self {
-            buffer: String::new(),
+            buffer: Vec::new(),
         }
     }
 
-    pub fn get(&self) -> String {
+    pub fn get(&self) -> Vec<BufferChunk> {
         self.buffer.clone()
     }
 
-    pub fn write<S>(&mut self, value: S)
+    pub fn print<S>(&mut self, value: S)
     where
-        S: AsRef<str>
+        S: std::string::ToString
     {
-        self.buffer += value.as_ref();
+        self.buffer.push(BufferChunk::StdOut(value.to_string()))
     }
 
-    pub fn writeln<S>(&mut self, value: S)
+    pub fn error<S>(&mut self, value: S)
     where
-        S: AsRef<str>
+        S: std::string::ToString
     {
-        self.buffer += value.as_ref();
-        self.buffer += "\n";
+        self.buffer.push(BufferChunk::StdErr(value.to_string()))
     }
 }