remove snafu

peach-stats/src/error.rs

@@ -1,30 +1,43 @@
-use std::{error, io};
+use std::io;
 
 use jsonrpc_core::{types::error::Error, ErrorCode};
 use probes::ProbeError;
-use snafu::Snafu;
 
-pub type BoxError = Box<dyn error::Error>;
-
-#[derive(Debug, Snafu)]
-#[snafu(visibility(pub(crate)))]
+#[derive(Debug)]
 pub enum StatError {
-    #[snafu(display("Failed to retrieve CPU statistics: {}", source))]
     ReadCpuStat { source: ProbeError },
 
-    #[snafu(display("Failed to retrieve disk usage statistics: {}", source))]
     ReadDiskUsage { source: ProbeError },
 
-    #[snafu(display("Failed to retrieve load average statistics: {}", source))]
     ReadLoadAvg { source: ProbeError },
 
-    #[snafu(display("Failed to retrieve memory statistics: {}", source))]
     ReadMemStat { source: ProbeError },
 
-    #[snafu(display("Failed to retrieve system uptime: {}", source))]
     ReadUptime { source: io::Error },
 }
 
+impl std::fmt::Display for StatError {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        match *self {
+            StatError::ReadCpuStat { ref source } => {
+                write!(f, "Failed to retrieve CPU statistics: {}", source)
+            }
+            StatError::ReadDiskUsage { ref source } => {
+                write!(f, "Failed to retrieve disk usage statistics: {}", source)
+            }
+            StatError::ReadLoadAvg { ref source } => {
+                write!(f, "Failed to retrieve load average statistics: {}", source)
+            }
+            StatError::ReadMemStat { ref source } => {
+                write!(f, "Failed to retrieve memory statistics: {}", source)
+            }
+            StatError::ReadUptime { ref source } => {
+                write!(f, "Failed to retrieve system uptime: {}", source)
+            }
+        }
+    }
+}
+
 impl From<StatError> for Error {
     fn from(err: StatError) -> Self {
         match &err {