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-rwxr-xr-xmeap/meap-code/ch3/ch3-skeleton-read-trait.rs21
1 files changed, 21 insertions, 0 deletions
diff --git a/meap/meap-code/ch3/ch3-skeleton-read-trait.rs b/meap/meap-code/ch3/ch3-skeleton-read-trait.rs
new file mode 100755
index 0000000..9189bef
--- /dev/null
+++ b/meap/meap-code/ch3/ch3-skeleton-read-trait.rs
@@ -0,0 +1,21 @@
+#![allow(unused_variables)]
+
+#[derive(Debug)]
+struct File;
+
+trait Read {
+ fn read(self: &Self, save_to: &mut Vec<u8>) -> Result<usize, String>;
+}
+
+impl Read for File {
+ fn read(self: &File, save_to: &mut Vec<u8>) -> Result<usize, String> {
+ Ok(0)
+ }
+}
+
+fn main() {
+ let f = File{};
+ let mut buffer = vec!();
+ let n_bytes = f.read(&mut buffer).unwrap();
+ println!("{} byte(s) read from {:?}", n_bytes, f);
+} \ No newline at end of file