refactor: create helpers file

src/helpers.rs

@@ -0,0 +1,28 @@
+use std::fmt::Display;
+use std::io::{stdin, stdout, Write};
+
+use log::{debug, error, info, trace, warn};
+
+pub fn some_non_empty(str: &str) -> Option<String> {
+    if str.is_empty() { None } else { Some(str.to_owned()) }
+}
+
+pub fn or_print<T, U: Display>(result: Result<T, U>) -> Option<T> {
+    match result {
+        Ok(value) => Some(value),
+        Err(error) => {
+            warn!("{}", error);
+            None
+        }
+    }
+}
+
+pub fn prompt(prompt: &str) -> Option<String> {
+    print!("{} ", prompt);
+    stdout().flush().unwrap();
+    match stdin().lines().next() {
+        Some(Ok(line)) => Some(line),
+        _ => None,
+    }
+}
+

src/main.rs

@@ -16,10 +16,12 @@ use log::{debug, error, info, trace, warn};
 use nostr_sdk::prelude::*;
 use xdg::BaseDirectories;
 
+use crate::helpers::*;
 use crate::kinds::TRACKING_KIND;
 use crate::task::State;
 use crate::tasks::Tasks;
 
+mod helpers;
 mod task;
 mod tasks;
 mod kinds;
@@ -79,29 +81,6 @@ impl Drop for EventSender {
     }
 }
 
-fn some_non_empty(str: &str) -> Option<String> {
-    if str.is_empty() { None } else { Some(str.to_owned()) }
-}
-
-fn or_print<T, U: Display>(result: Result<T, U>) -> Option<T> {
-    match result {
-        Ok(value) => Some(value),
-        Err(error) => {
-            warn!("{}", error);
-            None
-        }
-    }
-}
-
-fn prompt(prompt: &str) -> Option<String> {
-    print!("{} ", prompt);
-    stdout().flush().unwrap();
-    match stdin().lines().next() {
-        Some(Ok(line)) => Some(line),
-        _ => None,
-    }
-}
-
 #[tokio::main]
 async fn main() {
     colog::init();

src/task.rs

@@ -8,8 +8,8 @@ use itertools::Itertools;
 use log::{debug, error, info, trace, warn};
 use nostr_sdk::{Alphabet, Event, EventBuilder, EventId, Kind, Tag, TagStandard, Timestamp};
 
+use crate::helpers::some_non_empty;
 use crate::kinds::is_hashtag;
-use crate::some_non_empty;
 
 #[derive(Debug, Clone, PartialEq)]
 pub(crate) struct Task {