From e317ce37c17be5ac761226465946d6b53acfd65e Mon Sep 17 00:00:00 2001
From: timofey <tim@ongoteam.yaconnect.com>
Date: Sun, 3 Sep 2023 20:30:08 +0000
Subject: [PATCH] `hex` to `rcore`

---
 src/rcore.rs        |  2 ++
 src/rcore/to_hex.rs | 29 +++++++++++++++++++++++++++++
 src/rstd.rs         | 26 --------------------------
 3 files changed, 31 insertions(+), 26 deletions(-)
 create mode 100644 src/rcore/to_hex.rs

diff --git a/src/rcore.rs b/src/rcore.rs
index a33bab2..80dae13 100644
--- a/src/rcore.rs
+++ b/src/rcore.rs
@@ -18,6 +18,7 @@ mod regular;
 mod resolution;
 mod resolver_origin;
 mod singular;
+mod to_hex;
 mod topology;
 
 use std::{error::Error, sync::Arc};
@@ -43,6 +44,7 @@ pub use self::resolution::{
     ResolutionFailure, ResolutionResult, Resolver, ResolverMap,
 };
 pub use self::singular::SingularResolution;
+pub use self::to_hex::hex;
 pub use self::topology::MentionableTop;
 
 /// Helper alias for [`WeakFunctor::F`] of [`FunctorContext::T`].
diff --git a/src/rcore/to_hex.rs b/src/rcore/to_hex.rs
new file mode 100644
index 0000000..5c40a37
--- /dev/null
+++ b/src/rcore/to_hex.rs
@@ -0,0 +1,29 @@
+use std::fmt::Display;
+
+use super::*;
+
+struct Hex<'a> {
+    point: &'a Hash,
+}
+
+impl Display for Hex<'_> {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        for byte in self.point {
+            write!(f, "{byte:02x}")?
+        }
+        Ok(())
+    }
+}
+
+pub fn hex(point: &Hash) -> impl '_ + Display {
+    Hex { point }
+}
+
+#[cfg(test)]
+#[test]
+fn hex_test() {
+    assert_eq!(
+        hex(&(0..32).collect::<Vec<_>>().try_into().unwrap()).to_string(),
+        "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f",
+    );
+}
diff --git a/src/rstd.rs b/src/rstd.rs
index 2b160b8..c883981 100644
--- a/src/rstd.rs
+++ b/src/rstd.rs
@@ -22,32 +22,6 @@ use crate::func::*;
 use crate::mode::*;
 use crate::rcore::*;
 
-struct Hex<'a> {
-    point: &'a Hash,
-}
-
-impl Display for Hex<'_> {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        for byte in self.point {
-            write!(f, "{byte:02x}")?
-        }
-        Ok(())
-    }
-}
-
-pub(crate) fn hex(point: &Hash) -> impl '_ + Display {
-    Hex { point }
-}
-
-#[cfg(test)]
-#[test]
-fn hex_test() {
-    assert_eq!(
-        hex(&(0..32).collect::<Vec<_>>().try_into().unwrap()).to_string(),
-        "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f",
-    );
-}
-
 impl Display for Address {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         write!(f, "{}@{}", hex(&self.point), self.index)