From 09f4647edefd4b3966c87b5e34b3306280fe5751 Mon Sep 17 00:00:00 2001
From: "Timur A. Fatkhullin" <timur@sao.ru>
Date: Fri, 18 Sep 2026 09:48:11 +0300
Subject: [PATCH] ...

---
 include/snipplib/utils/snplib_hash.h | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/include/snipplib/utils/snplib_hash.h b/include/snipplib/utils/snplib_hash.h
index 804a9c4..e960a81 100644
--- a/include/snipplib/utils/snplib_hash.h
+++ b/include/snipplib/utils/snplib_hash.h
@@ -1,14 +1,15 @@
 #pragma once
 
-#include "../concepts/snplib_concepts.h"
 #include <iterator>
+#include "../concepts/snplib_concepts.h"
 
-namespace snplib {
+namespace snplib
+{
 
 template <snplib_input_char_range_c R>
-static constexpr size_t FNV1aHash(const R& r)
+static constexpr size_t hash_FNV1a(const R& r)
 {
-    static_assert(sizeof(size_t) == 8 || sizeof(size_t) == 4, "ONLY FOR 32 or 64-bit size_t!!!");
+    static_assert(sizeof(size_t) == 8 || sizeof(size_t) == 4, "The ONLY 32 or 64-bit std::size_t are supported!!!");
 
     size_t hash = 0, prime = 0;
     if constexpr (sizeof(size_t) == 8) {  // 64-bit
@@ -27,10 +28,10 @@ static constexpr size_t FNV1aHash(const R& r)
     return hash;
 }
 
-static constexpr size_t FNV1aHash(std::forward_iterator auto begin, std::sentinel_for<decltype(begin)> auto end)
+static constexpr size_t hash_FNV1a(std::forward_iterator auto begin, std::sentinel_for<decltype(begin)> auto end)
     requires std::same_as<std::remove_cv_t<std::iter_value_t<decltype(begin)>>, char>
 {
-    static_assert(sizeof(size_t) == 8 || sizeof(size_t) == 4, "ONLY FOR 32 or 64-bit size_t!!!");
+    static_assert(sizeof(size_t) == 8 || sizeof(size_t) == 4, "The ONLY 32 or 64-bit std::size_t are supported!!!");
 
     size_t hash = 0, prime = 0;
     if constexpr (sizeof(size_t) == 8) {  // 64-bit
@@ -51,11 +52,12 @@ static constexpr size_t FNV1aHash(std::forward_iterator auto begin, std::sentine
 
 
 // Boost implementation of hash combining
-template <snplib_hashable_c T, snplib_hashable_c ...Ts>
-static constexpr void snplib_hash_combine(std::size_t& seed, const T& v, Ts&& ... vs) {
+template <snplib_hashable_c T, snplib_hashable_c... Ts>
+static constexpr void snplib_hash_combine(std::size_t& seed, const T& v, Ts&&... vs)
+{
     static constexpr auto digits = std::numeric_limits<std::size_t>::digits;
-    static_assert(digits == 64 || digits == 32, "Unsupported 'size_t' type size!");
-    
+    static_assert(digits == 64 || digits == 32, "The ONLY 32 or 64-bit std::size_t are supported!!!");
+
     if constexpr (digits == 64) {
         std::size_t x = seed + 0x9e3779b9 + std::hash<T>()(v);
         const std::size_t m = 0xe9846af9b1a615d;
@@ -65,8 +67,7 @@ static constexpr void snplib_hash_combine(std::size_t& seed, const T& v, Ts&& ..
         x *= m;
         x ^= x >> 28;
         seed = x;
-    }
-    else { // 32-bits
+    } else {  // 32-bits
         std::size_t x = seed + 0x9e3779b9 + std::hash<T>()(v);
         const std::size_t m1 = 0x21f0aaad;
         const std::size_t m2 = 0x735a2d97;
@@ -83,4 +84,4 @@ static constexpr void snplib_hash_combine(std::size_t& seed, const T& v, Ts&& ..
     }
 }
 
-} // end of snplib namespace
\ No newline at end of file
+}  // namespace snplib
\ No newline at end of file