chore: bump rust-toolchain version to 1.75.0 (denoland#552)

core/modules/module_map_data.rs

@@ -54,12 +54,8 @@ impl<T> ModuleNameTypeMap<T> {
     ModuleName: std::borrow::Borrow<Q>,
     Q: std::cmp::Eq + std::hash::Hash + ?Sized,
   {
-    let Some(index) = self.map_index(ty) else {
-      return None;
-    };
-    let Some(map) = self.submaps.get(index) else {
-      return None;
-    };
+    let index = self.map_index(ty)?;
+    let map = self.submaps.get(index)?;
     map.get(name)
   }
 

core/web_timeout.rs

@@ -117,9 +117,7 @@ impl<'a, T> Iterator for WebTimersIteratorImpl<'a, T> {
   type Item = (u64, bool);
   fn next(&mut self) -> Option<Self::Item> {
     loop {
-      let Some(item) = self.timers.next() else {
-        return None;
-      };
+      let item = self.timers.next()?;
       if self.data.contains_key(&item.1) {
         return Some((item.1, !matches!(item.2, TimerType::Once)));
       }

ops/op2/dispatch_fast.rs

@@ -369,7 +369,7 @@ pub(crate) fn generate_dispatch_fast(
   Option<(TokenStream, TokenStream, TokenStream)>,
   V8SignatureMappingError,
 > {
-  if let Some(alternative) = config.fast_alternatives.get(0) {
+  if let Some(alternative) = config.fast_alternatives.first() {
     // TODO(mmastrac): we should validate the alternatives. For now we just assume the caller knows what
     // they are doing.
     let alternative =

ops/op2/signature.rs

@@ -1138,7 +1138,7 @@ fn parse_attributes(
     return Err(AttributeError::TooManyAttributes);
   }
   Ok(Attributes {
-    primary: Some(*attrs.get(0).unwrap()),
+    primary: Some(*attrs.first().unwrap()),
   })
 }
 

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.74.1"
+channel = "1.75.0"
 components = ["rustfmt", "clippy"]