1 files changed, 43 insertions, 0 deletions
diff --git a/crates/shirabe-semver/src/constraint/match_none_constraint.rs b/crates/shirabe-semver/src/constraint/match_none_constraint.rs
index 204b594..5bfc6ea 100644
--- a/crates/shirabe-semver/src/constraint/match_none_constraint.rs
+++ b/crates/shirabe-semver/src/constraint/match_none_constraint.rs
@@ -1 +1,44 @@
 //! ref: composer/vendor/composer/semver/src/Constraint/MatchNoneConstraint.php
+
+use crate::constraint::bound::Bound;
+use crate::constraint::constraint_interface::ConstraintInterface;
+
+#[derive(Debug)]
+pub struct MatchNoneConstraint {
+    pub(crate) pretty_string: Option<String>,
+}
+
+impl ConstraintInterface for MatchNoneConstraint {
+    fn matches(&self, _provider: &dyn ConstraintInterface) -> bool {
+        false
+    }
+
+    fn compile(&self, _other_operator: i64) -> String {
+        "false".to_string()
+    }
+
+    fn set_pretty_string(&mut self, pretty_string: Option<String>) {
+        self.pretty_string = pretty_string;
+    }
+
+    fn get_pretty_string(&self) -> String {
+        if let Some(ref s) = self.pretty_string {
+            if !s.is_empty() {
+                return s.clone();
+            }
+        }
+        self.__to_string()
+    }
+
+    fn __to_string(&self) -> String {
+        "[]".to_string()
+    }
+
+    fn get_upper_bound(&self) -> Bound {
+        Bound::new("0.0.0.0-dev".to_string(), false)
+    }
+
+    fn get_lower_bound(&self) -> Bound {
+        Bound::new("0.0.0.0-dev".to_string(), false)
+    }
+}