1 files changed, 21 insertions, 0 deletions
diff --git a/src/options/file_name.rs b/src/options/file_name.rs
new file mode 100644
index 0000000..9092b8c
--- /dev/null
+++ b/src/options/file_name.rs
@@ -0,0 +1,21 @@
+use crate::options::{flags, OptionsError};
+use crate::options::parser::MatchedFlags;
+
+use crate::output::file_name::{Options, Classify};
+
+
+impl Options {
+    pub fn deduce(matches: &MatchedFlags<'_>) -> Result<Self, OptionsError> {
+        Classify::deduce(matches)
+                 .map(|classify| Self { classify })
+    }
+}
+
+impl Classify {
+    fn deduce(matches: &MatchedFlags<'_>) -> Result<Self, OptionsError> {
+        let flagged = matches.has(&flags::CLASSIFY)?;
+
+        if flagged { Ok(Self::AddFileIndicators) }
+              else { Ok(Self::JustFilenames) }
+    }
+}