openpgp: Remove `to_hex` in KeyHandle, KeyID and Fingerprint.

  - Replace all usages of `to_hex` with formatting string with :X
specifier.

  - Fixes #456.

1 files changed, 2 insertions, 7 deletions

diff --git a/openpgp/src/fingerprint.rs b/openpgp/src/fingerprint.rs
index fedf23b5..edbc0774 100644
--- a/openpgp/src/fingerprint.rs
+++ b/openpgp/src/fingerprint.rs
@@ -63,7 +63,7 @@ impl Fingerprint {
     /// let hex = "3E8877C877274692975189F5D03F6F865226FE8B";
     /// let fp = Fingerprint::from_hex(hex);
     /// assert!(fp.is_ok());
-    /// assert_eq!(fp.unwrap().to_hex(), hex);
+    /// assert_eq!(format!("{:X}", fp.unwrap()), hex);
     /// ```
     pub fn from_hex(hex: &str) -> Result<Fingerprint> {
         Ok(Fingerprint::from_bytes(&crate::fmt::from_hex(hex, true)?[..]))
@@ -77,11 +77,6 @@ impl Fingerprint {
         }
     }
 
-    /// Converts the fingerprint to a hexadecimal number.
-    pub fn to_hex(&self) -> String {
-        self.convert_to_string(false)
-    }
-
     /// Common code for the above functions.
     fn convert_to_string(&self, pretty: bool) -> String {
         let raw = match self {
@@ -140,7 +135,7 @@ impl Fingerprint {
     pub fn to_icao(&self) -> String {
         let mut ret = String::default();
 
-        for ch in self.to_hex().chars() {
+        for ch in self.convert_to_string(false).chars() {
             let word = match ch {
                 '0' => "Zero",
                 '1' => "One",