Fix lint errors from Rust 1.85 (#1459)

Author: charliermarsh

rye/src/cli/init.rs

@@ -318,11 +318,7 @@ pub fn execute(cmd: Args) -> Result<(), Error> {
     // underscores instead of dashes to form a valid python package name and in
     // case it starts with a digit, an underscore is prepended.
     let mut name_safe = metadata.name.as_ref().unwrap().replace('-', "_");
-    if name_safe
-        .chars()
-        .next()
-        .map_or(true, |c| c.is_ascii_digit())
-    {
+    if name_safe.chars().next().is_none_or(|c| c.is_ascii_digit()) {
         name_safe.insert(0, '_');
     }
 

rye/src/installer.rs

@@ -265,7 +265,7 @@ fn install_scripts(
             //
             // Also do not try to link things which are not considered executables on
             // this operating system.
-            if !rest.parent().map_or(true, |x| x == Path::new("")) || !is_executable(file) {
+            if rest.parent().is_some_and(|x| x != Path::new("")) || !is_executable(file) {
                 continue;
             }
 

rye/src/pyproject.rs

@@ -1205,7 +1205,7 @@ fn resolve_target_python_version(
 ) -> Option<PythonVersionRequest> {
     resolve_lower_bound_python_version(doc)
         .or_else(|| get_current_venv_python_version(venv_path).map(Into::into))
-        .or_else(|| get_python_version_request_from_pyenv_pin(root).map(Into::into))
+        .or_else(|| get_python_version_request_from_pyenv_pin(root))
         .or_else(|| Config::current().default_toolchain().ok())
 }