1 files changed, 26 insertions, 0 deletions
diff --git a/src/input.rs b/src/input.rs
index 0857c8c..0b38556 100644
--- a/src/input.rs
+++ b/src/input.rs
@@ -48,22 +48,44 @@ impl<'a> Input for &'a [u8] {
 }
 
 pub trait Character {
+    fn is_ascii(&self) -> bool;
+
     fn is_alphabetic(&self) -> bool;
 
+    fn is_ascii_alphabetic(&self) -> bool;
+
     fn is_numeric(&self) -> bool;
 
+    fn is_ascii_numeric(&self) -> bool {
+        self.is_ascii() && self.is_numeric()
+    }
+
     fn is_whitespace(&self) -> bool;
 
+    fn is_ascii_whitespace(&self) -> bool;
+
     fn is_alphanumeric(&self) -> bool {
         self.is_alphabetic() || self.is_numeric()
     }
+
+    fn is_ascii_alphanumeric(&self) -> bool {
+        self.is_ascii_alphabetic() || self.is_ascii_numeric()
+    }
 }
 
 impl Character for char {
+    fn is_ascii(&self) -> bool {
+        (*self).is_ascii()
+    }
+
     fn is_alphabetic(&self) -> bool {
         (*self).is_ascii_alphabetic()
     }
 
+    fn is_ascii_alphabetic(&self) -> bool {
+        (*self).is_ascii_alphabetic()
+    }
+
     fn is_numeric(&self) -> bool {
         (*self).is_numeric()
     }
@@ -71,6 +93,10 @@ impl Character for char {
     fn is_whitespace(&self) -> bool {
         (*self).is_whitespace()
     }
+
+    fn is_ascii_whitespace(&self) -> bool {
+        (*self).is_ascii_whitespace()
+    }
 }
 
 #[derive(Clone)]