get rid of warnings, bump version to 0.6.4

2 files changed, 3 insertions, 12 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 8730b46..700425a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -8,7 +8,7 @@
 use std::collections::HashMap;
 use std::ffi::OsStr;
 use std::fs::{self, File};
-use std::io::{self, BufRead, Read, Write};
+use std::io::{self, Read, Write};
 use std::os::unix::ffi::OsStrExt;
 use std::os::unix::io::AsRawFd;
 use std::path::Path;
@@ -35,7 +35,6 @@ pub mod rw;
 pub mod serialization;
 pub mod wait;
 
-use libc::BS0;
 use linebuf::LineBuf;
 use raw::*;
 
diff --git a/src/run/mod.rs b/src/run/mod.rs
index a5fd69a..5b2d32d 100644
--- a/src/run/mod.rs
+++ b/src/run/mod.rs
@@ -109,18 +109,10 @@ pub enum SpawnedCmd {
     Pipeline(SpawnedPipeline),
 }
 
-trait IsSuccessful {
-    fn is_successful(&self) -> bool;
+trait ExecResultAsBool {
     fn as_bool(&self) -> Result<bool, ExecError>;
 }
-impl IsSuccessful for Result<(), ExecError> {
-    fn is_successful(&self) -> bool {
-        match self {
-            Ok(_) | Err(ExecError::ExecError(0)) => true,
-            _ => false,
-        }
-    }
-
+impl ExecResultAsBool for Result<(), ExecError> {
     /// returns the boolean value interpreted from this exit code.
     ///
     /// in case the exit code indicates divergence (break/continue) that "error" will be propagated