fix(global): a lot of clippy warnings

This change makes clippy **a lot** more strict.

4 files changed, 12 insertions, 2 deletions

diff --git a/crates/whirl_common/src/lib.rs b/crates/whirl_common/src/lib.rs
index 081da1c..82eac48 100644
--- a/crates/whirl_common/src/lib.rs
+++ b/crates/whirl_common/src/lib.rs
@@ -10,7 +10,15 @@
   decl_macro,
   proc_macro_hygiene
 )]
-#![warn(rust_2018_idioms)]
+#![deny(
+  warnings,
+  nonstandard_style,
+  unused,
+  future_incompatible,
+  rust_2018_idioms,
+  unsafe_code
+)]
+#![deny(clippy::all, clippy::nursery, clippy::pedantic)]
 #![recursion_limit = "128"]
 
 pub mod log;
diff --git a/crates/whirl_common/src/log.rs b/crates/whirl_common/src/log.rs
index e905bc8..d2df568 100644
--- a/crates/whirl_common/src/log.rs
+++ b/crates/whirl_common/src/log.rs
@@ -5,6 +5,7 @@ use whirl_config::Config;
 
 /// Grab the log level configuration key (`whirlsplash.log.level`) from the
 /// configuration file and evaluate the proper log level.
+#[must_use]
 pub fn calculate_log_level() -> String {
   let mut level;
 
diff --git a/crates/whirl_common/src/sort.rs b/crates/whirl_common/src/sort.rs
index b1b79b2..7cbabd6 100644
--- a/crates/whirl_common/src/sort.rs
+++ b/crates/whirl_common/src/sort.rs
@@ -3,6 +3,6 @@
 
 /// Sort a vector by alphabetical order based on the first character of each
 /// string.
-pub fn sort_vec_alphabetically(vec: &mut Vec<&str>) {
+pub fn vec_alphabetically(vec: &mut Vec<&str>) {
   vec.sort_by(|a, b| a.to_lowercase().cmp(&b.to_lowercase()));
 }
diff --git a/crates/whirl_common/src/system.rs b/crates/whirl_common/src/system.rs
index 3b4806b..2fb79e7 100644
--- a/crates/whirl_common/src/system.rs
+++ b/crates/whirl_common/src/system.rs
@@ -17,6 +17,7 @@ fn make_parts(t: usize, steps: &[usize], mut accum: Vec<usize>) -> Vec<usize> {
 }
 
 /// Convert a Unix (Epoch) Timestamp to a human-readable format.
+#[must_use]
 pub fn seconds_to_hrtime(seconds: usize) -> String {
   let word = ["week", "day", "hour", "min", "sec"];