Merge pull request #111 from nickbabcock/anyhow

Replace failure in examples with anyhow

Cargo.toml

@@ -35,7 +35,7 @@ serde_test = "1.0"
 criterion = "0.5"
 log = { version = "0.4", features = ["serde"] }
 num_cpus = "1.0"
-failure = "0.1.3"
+anyhow = "1.0"
 libc = "0.2"
 trybuild = "1.0"
 doc-comment = "0.3"

examples/load.rs

@@ -4,7 +4,6 @@ use collectd_plugin::{
     collectd_plugin, ConfigItem, Plugin, PluginCapabilities, PluginManager, PluginRegistration,
     Value, ValueListBuilder,
 };
-use failure::Error;
 use serde::Deserialize;
 use std::error;
 
@@ -64,12 +63,12 @@ impl PluginManager for LoadManager {
 /// Returns load averages (short, mid, and long term). This implementation is not as cross platform
 /// as collectd's, as getloadavg is not in POSIX, but getloadavg has been in glibc since 2000 and
 /// found in BSD and Solaris, so I'd wager that this should cover 99.9% of use cases.
-fn get_load() -> Result<[f64; 3], Error> {
+fn get_load() -> anyhow::Result<[f64; 3]> {
     let mut load: [f64; 3] = [0.0; 3];
 
     unsafe {
         if libc::getloadavg(load.as_mut_ptr(), 3) != 3 {
-            Err(failure::err_msg("load: getloadavg failed"))
+            Err(anyhow::anyhow!("load: getloadavg failed"))
         } else {
             Ok(load)
         }

examples/myerror.rs

@@ -44,7 +44,7 @@ impl Plugin for MyErrorPlugin {
         if self.state.fetch_xor(true, Ordering::SeqCst) {
             panic!("Oh dear what is wrong!?")
         } else {
-            Err(failure::err_msg("bailing").into())
+            Err(anyhow::anyhow!("bailing").into())
         }
     }
 }