style: use .filter_map() instead of .flat_map() where appropriate

jj-vcs · Oct 3, 2024 · fa44e28 · fa44e28
1 parent 53be116
commit fa44e28
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diff --git a/Cargo.toml b/Cargo.toml
@@ -134,6 +134,7 @@ testutils = { path = "lib/testutils" }
 
 [workspace.lints.clippy]
 explicit_iter_loop = "deny"
+flat_map_option = "deny"
 implicit_clone = "deny"
 semicolon_if_nothing_returned = "deny"
 uninlined_format_args = "deny"

diff --git a/lib/src/fileset.rs b/lib/src/fileset.rs
@@ -297,7 +297,7 @@ impl FilesetExpression {
     pub fn explicit_paths(&self) -> impl Iterator<Item = &RepoPath> {
         // pre/post-ordering doesn't matter so long as children are visited from
         // left to right.
-        self.dfs_pre().flat_map(|expr| match expr {
+        self.dfs_pre().filter_map(|expr| match expr {
             FilesetExpression::Pattern(pattern) => pattern.as_path(),
             _ => None,
         })