Rebuild header file with docs

Author: onethumb

crc32fast.h

@@ -4,24 +4,31 @@
 #include <ostream>
 #include <new>
 
+/// Opaque type for C for use in FFI
 struct HasherHandle {
   Hasher *_0;
 };
 
 extern "C" {
 
+/// Creates a new Hasher to compute CRC32 checksums
 HasherHandle *hasher_new();
 
+/// Writes data to the Hasher
+///
 /// # Safety
 ///
 /// Uses unsafe method calls
 void hasher_write(HasherHandle *handle, const char *data, uintptr_t len);
 
+/// Calculates the CRC32 checksum for data that's been written to the Hasher
+///
 /// # Safety
 ///
 /// Uses unsafe method calls
 uint32_t hasher_finalize(HasherHandle *handle);
 
+/// Helper method to just calculate a CRC32 checksum directly for a string
 uint32_t crc32_hash(const char *data, uintptr_t len);
 
 }  // extern "C"