Add is_empty

Manishearth · Manishearth · commit 6c286e431da5 · 2020-01-01T15:32:56.000+05:30
diff --git a/src/lib.rs b/src/lib.rs
@@ -48,6 +48,11 @@ impl ScriptExtension {
     pub fn intersect(self, other: Self) -> Self {
         self.inner_intersect(other)
     }
+
+    /// Checks if the script extension is empty (unknown)
+    pub fn is_empty(self) -> bool {
+        self == ScriptExtension::Single(Script::Unknown)
+    }
 }
 
 impl From<char> for ScriptExtension {

Original file line number	Diff line number	Diff line change
`@@ -48,6 +48,11 @@ impl ScriptExtension {`
`48`	`48`	`pub fn intersect(self, other: Self) -> Self {`
`49`	`49`	`self.inner_intersect(other)`
`50`	`50`	`}`
	`51`	`+`
	`52`	`+ /// Checks if the script extension is empty (unknown)`
	`53`	`+ pub fn is_empty(self) -> bool {`
	`54`	`+ self == ScriptExtension::Single(Script::Unknown)`
	`55`	`+ }`
`51`	`56`	`}`
`52`	`57`
`53`	`58`	`impl From<char> for ScriptExtension {`