checksum: introduce PrintImpl object that can compute various code properties

.github/workflows/rust.yml

@@ -54,15 +54,15 @@ jobs:
         run: ./contrib/test.sh
 
   MSRV:
-    name: Test - 1.48.0 toolchain
+    name: Test - 1.56.1 toolchain
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
     steps:
       - name: Checkout Crate
         uses: actions/checkout@v3
       - name: Checkout Toolchain
-        uses: dtolnay/rust-toolchain@1.48.0
+        uses: dtolnay/rust-toolchain@1.56.1
       - name: Running test script
         env:
           DO_FEATURE_MATRIX: true

README.md

@@ -14,7 +14,7 @@ Bitcoin-specific address encoding is handled by the `bitcoin-bech32` crate.
 
 ## MSRV
 
-This library should always compile with any combination of features on **Rust 1.48.0**.
+This library should always compile with any combination of features on **Rust 1.56.1**.
 
 
 ## Githooks

clippy.toml

@@ -1 +1 @@
-msrv = "1.48.0"
+msrv = "1.56.1"

src/lib.rs

@@ -161,10 +161,13 @@ use crate::primitives::decode::{ChecksumError, UncheckedHrpstring, UncheckedHrps
 pub use {
     crate::primitives::checksum::Checksum,
     crate::primitives::gf32::Fe32,
+    crate::primitives::gf32_ext::{Fe1024, Fe32768},
     crate::primitives::hrp::Hrp,
     crate::primitives::iter::{ByteIterExt, Fe32IterExt},
     crate::primitives::{Bech32, Bech32m, NoChecksum},
 };
+#[cfg(feature = "alloc")]
+pub use crate::primitives::checksum::PrintImpl;
 
 // Write to fmt buffer, small during testing to exercise full code path.
 #[cfg(not(test))]