pub enum ExitCode {
    Success,
    GeneralError,
    KilledBySigint,
}

impl Into<i32> for ExitCode {
    fn into(self) -> i32 {
        match self {
            ExitCode::Success => 0,
            ExitCode::GeneralError => 1,
            ExitCode::KilledBySigint => 130,
        }
    }
}

impl ExitCode {
    pub fn error_if_any_error(results: Vec<Self>) -> Self {
        if results.iter().any(|s| match s {
            ExitCode::GeneralError => true,
            _ => false,
        }) {
            return ExitCode::GeneralError;
        }
        ExitCode::Success
    }
}

pub enum ExitCode {
    Success,
    GeneralError,
    KilledBySigint,
}

impl Into<i32> for ExitCode {
    fn into(self) -> i32 {
        match self {
            Self::Success => 0,
            Self::GeneralError => 1,
            Self::KilledBySigint => 130,
        }
    }
}

impl ExitCode {
    pub fn error_if_any_error(results: Vec<Self>) -> Self {
        if results.iter().any(|s| match s {
            Self::GeneralError => true,
            _ => false,
        }) {
            return Self::GeneralError;
        }
        Self::Success
    }
}

--- 
+++ 
@@ -7,9 +7,9 @@
 impl Into<i32> for ExitCode {
     fn into(self) -> i32 {
         match self {
-            ExitCode::Success => 0,
-            ExitCode::GeneralError => 1,
-            ExitCode::KilledBySigint => 130,
+            Self::Success => 0,
+            Self::GeneralError => 1,
+            Self::KilledBySigint => 130,
         }
     }
 }
@@ -17,11 +17,11 @@
 impl ExitCode {
     pub fn error_if_any_error(results: Vec<Self>) -> Self {
         if results.iter().any(|s| match s {
-            ExitCode::GeneralError => true,
+            Self::GeneralError => true,
             _ => false,
         }) {
-            return ExitCode::GeneralError;
+            return Self::GeneralError;
         }
-        ExitCode::Success
+        Self::Success
     }
 }
Switch back from Self to ExitCode
