1 files changed, 6 insertions, 9 deletions

diff --git a/src/libvirt.rs b/src/libvirt.rs
index e65ea1e..4bf8590 100644
--- a/src/libvirt.rs
+++ b/src/libvirt.rs
@@ -66,16 +66,13 @@ pub struct Libvirt {
 impl Libvirt {
     pub fn connect(url: &str) -> Result<Self, VirtError> {
         debug!("connecting to libvirtd {}", url);
-        let conn = Connect::open(url).map_err(|err| VirtError::Connect(err))?;
+        let conn = Connect::open(url).map_err(VirtError::Connect)?;
         Ok(Self { conn })
     }
 
     fn get_domains(&self) -> Result<Vec<Domain>, VirtError> {
         debug!("listing all domains");
-        Ok(self
-            .conn
-            .list_all_domains(0)
-            .map_err(|err| VirtError::Domains(err))?)
+        Ok(self.conn.list_all_domains(0).map_err(VirtError::Domains)?)
     }
 
     fn get_domain(&self, name: &str) -> Result<Option<Domain>, VirtError> {
@@ -119,7 +116,7 @@ impl Libvirt {
             let disk = find_iso_xml(&xml);
             let flags =
                 VIR_DOMAIN_AFFECT_CONFIG | VIR_DOMAIN_AFFECT_CURRENT | VIR_DOMAIN_AFFECT_LIVE;
-            if disk.len() > 0 {
+            if !disk.is_empty() {
                 domain
                     .detach_device_flags(&disk, flags)
                     .map_err(|err| VirtError::DetachIso(name.to_string(), err))?;
@@ -141,7 +138,7 @@ impl Libvirt {
     }
 
     pub fn start(&self, name: &str) -> Result<(), VirtError> {
-        if let Some(_) = self.get_domain(name)? {
+        if self.get_domain(name)?.is_some() {
             self.trigger_start(name)?;
             wait_for_ssh(name);
         }
@@ -196,7 +193,7 @@ impl Libvirt {
 }
 
 fn get_name(domain: &Domain) -> Result<String, VirtError> {
-    let name = domain.get_name().map_err(|err| VirtError::GetName(err))?;
+    let name = domain.get_name().map_err(VirtError::GetName)?;
     Ok(name)
 }
 
@@ -260,7 +257,7 @@ fn find_iso_xml(xml: &str) -> String {
         }
         let end = end.unwrap();
         let disk = &xml[..end + 7];
-        if let Some(_) = disk.find(".iso") {
+        if disk.contains(".iso") {
             return disk.to_string();
         }
         xml = &xml[end..];