diff --git a/tscpp/typeid.h b/tscpp/typeid.h
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+++ b/tscpp/typeid.h
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+/* Copyright (c) 2022 Skyward Experimental Rocketry
+ * Author: Davide Mor
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#pragma once
+
+#include <cstdlib>
+#include <cstdint>
+
+namespace tscpp
+{
+
+/**
+ * Compile time enabled version of memcmp.
+ */
+constexpr bool comptime_memcmp(const char *a, const char *b, size_t len) {
+    while(len--) {
+        if(*a++ != *b++)
+            return false;
+    }
+
+    return true;
+}
+
+/**
+ * Compile time enabled hashing function (Jenkin's One-at-a-Time hash).
+ * 
+ * https://stackoverflow.com/questions/114085/fast-string-hashing-algorithm-with-low-collision-rates-with-32-bit-integer
+ */
+constexpr uint32_t comptime_hash(const char *a, size_t len) {
+    uint32_t hash = 0;
+
+    while(len--) {
+        hash += *a++;
+        hash += (hash << 10);
+        hash ^= (hash >> 6);
+    }
+
+    hash += (hash << 3);
+    hash ^= (hash >> 11);
+    hash += (hash << 15);
+
+    return hash;
+}
+
+/**
+ * Obtain a unique ID at compile time, which is also stable across compilations.
+ */
+template<typename T>
+constexpr uint32_t type_id() {
+    
+    // We define compiler dependent strings, THIS IS NOT PORTABLE!
+#if defined(__GNUC__) && !defined(__clang__)
+    #define PRETTY_FUNCTION __PRETTY_FUNCTION__
+    #define PRETTY_FUNCTION_PRE "constexpr uint32_t tscpp::type_id() [with T = "
+    #define PRETTY_FUNCTION_POST "; uint32_t = unsigned int]"
+#else
+    #error "tscpp: Your compiler is not supported!"
+#endif
+
+    constexpr size_t PRETTY_FUNCTION_SIZEOF = sizeof(PRETTY_FUNCTION) - 1;
+    constexpr size_t PRETTY_FUNCTION_PRE_SIZEOF = sizeof(PRETTY_FUNCTION_PRE) - 1;
+    constexpr size_t PRETTY_FUNCTION_POST_SIZEOF = sizeof(PRETTY_FUNCTION_POST) - 1;
+
+    // Assert that PRETTY_FUNCTION is sane.
+    // The prefix and postfix must be correct, otherwise HORRIBLE things can happen.
+    static_assert(
+        PRETTY_FUNCTION_PRE_SIZEOF < PRETTY_FUNCTION_SIZEOF && 
+        comptime_memcmp(
+            PRETTY_FUNCTION, 
+            PRETTY_FUNCTION_PRE,
+            PRETTY_FUNCTION_PRE_SIZEOF
+        ), 
+    "PRETTY_FUNCTION is not sane! (prefix mismatch)");
+    
+    static_assert(
+        PRETTY_FUNCTION_POST_SIZEOF < PRETTY_FUNCTION_SIZEOF && 
+        comptime_memcmp(
+            PRETTY_FUNCTION + PRETTY_FUNCTION_SIZEOF - PRETTY_FUNCTION_POST_SIZEOF,
+            PRETTY_FUNCTION_POST,
+            PRETTY_FUNCTION_POST_SIZEOF
+        ), 
+    "PRETTY_FUNCTION is not sane! (suffix mismatch)");
+
+    // Ok now that we know that it is sane we compute the hash,
+    // stripping away any prefix/postfix, and leave just the type. 
+    // This should reduce variance between compilers and hash collisions.
+
+    // enum forces const evaluation, no runtime overhead!
+    enum {Hash = comptime_hash(
+        PRETTY_FUNCTION + PRETTY_FUNCTION_PRE_SIZEOF,
+        PRETTY_FUNCTION_SIZEOF - PRETTY_FUNCTION_PRE_SIZEOF - PRETTY_FUNCTION_POST_SIZEOF
+    )};
+
+    return Hash;
+
+    #undef PRETTY_FUNCTION
+    #undef PRETTY_FUNCTION_PRE
+    #undef PRETTY_FUNCTION_POST
+}
+
+}
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