word := uint32(v) << ((uaddr & 3) * 8) // little endian
	for {
		old := *addr32
		if Cas(addr32, old, old|word) {
			return
		}
	}
}

//go:nosplit
func And8(addr *uint8, v uint8) {
	// Align down to 4 bytes and use 32-bit CAS.
	uaddr := uintptr(unsafe.Pointer(addr))
	addr32 := (*uint32)(unsafe.Pointer(uaddr &^ 3))
	word := uint32(v) << ((uaddr & 3) * 8)    // little endian

#include <windows.h>
#include <stdio.h>
#include <string.h>

#define STRINGIFY(x) #x
#define VERSION_STRING(x) STRINGIFY(x)

#ifndef VERSION
#define VERSION HEAD
#endif

BOOL WINAPI CtrlHandler(DWORD fdwCtrlType)
{
	switch (fdwCtrlType)
	{
	case CTRL_C_EVENT:
		fprintf(stderr, "Shutting down, got signal\n");
		exit(0);

	case CTRL_BREAK_EVENT:
		fprintf(stderr, "Shutting down, got signal\n");
		exit(0);

  const bool toSnake = (to == LOWER_SNAKE || to == UPPER_SNAKE);

  string result;

  bool inputStart = true;
  bool wordStart = true;
  for (const char c : str) {
    // Find a word start.
    if (c == delimiter) {
      // Repeated cases of wordStart means explicit delimiter usage.
      if (wordStart) {
        result.push_back(delimiter);
      }
      wordStart = true;
      continue;

	}

	for i := uintptr(0); i < n; i += goarch.PtrSize {
		if ptrmask != nil {
			word := i / goarch.PtrSize
			bits := *addb(ptrmask, word/8)
			if bits == 0 {
				// Skip 8 words (the loop increment will do the 8th)
				//
				// This must be the first time we've
				// seen this word of ptrmask, so i
				// must be 8-word-aligned, but check
				// our reasoning just in case.
				if i%(goarch.PtrSize*8) != 0 {

		// Value is indirect, but interface is direct. We need
		// to load the data at v.ptr into the interface data word.
		e.Data = *(*unsafe.Pointer)(v.ptr)
	default:
		// Value is direct, and so is the interface.
		e.Data = v.ptr
	}
	// Now, fill in the type portion. We're very careful here not
	// to have any operation between the e.word and e.typ assignments
	// that would let the garbage collector observe the partially-built

I think `Union[SomeType, None]` is more explicit about what it means.

It's just about the words and names. But those words can affect how you and your teammates think about the code.

//
// On ARM, 386, and 32-bit MIPS, it is the caller's responsibility to arrange
// for 64-bit alignment of 64-bit words accessed atomically via the primitive
// atomic functions (types [Int64] and [Uint64] are automatically aligned).
// The first word in an allocated struct, array, or slice; in a global
// variable; or in a local variable (because the subject of all atomic operations

	done atomic.Uint32
	m    Mutex
}

// Do calls the function f if and only if Do is being called for the
// first time for this instance of [Once]. In other words, given
//
//	var once Once
//
// if once.Do(f) is called multiple times, only the first call will invoke f,
// even if f has a different value in each invocation. A new instance of

 * implementation, such as [KotlinProjectMessageBusProvider] for [KotlinMessageBusProvider].
 *
 * Platform component interfaces and their default implementations are always prefixed with the word `Kotlin`, in contrast to
 * [KaEngineService]s which are prefixed with `Ka`. It is recommended to keep this naming convention in platform implementations. For

}

const (
	PT_TRACE_ME             = 0  // Debug this process
	PT_READ_I               = 1  // Read a full word
	PT_READ_D               = 2  // Read a full word
	PT_READ_U               = 3  // Read control info
	PT_WRITE_I              = 4  //Write a full word
	PT_WRITE_D              = 5  //Write a full word
	PT_CONTINUE             = 7  //Continue the process
	PT_KILL                 = 8  //Terminate the process