add encoding

encoding/src/main.rs

@@ -0,0 +1,17 @@
+use encoding::{
+    all::GBK,
+    Encoding,
+    EncoderTrap,
+    DecoderTrap,
+};
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let h_china = GBK.encode("Hello 中国", EncoderTrap::Strict)?;
+
+    let d_china = GBK.decode(&h_china, DecoderTrap::Strict)?;
+
+    println!("{:?}", h_china);
+    println!("{:?}", d_china);
+
+    Ok(())
+}