func (p *Pinner) Pin(pointer any) {
	if p.pinner == nil {
		// Check the pinner cache first.
		mp := acquirem()
		if pp := mp.p.ptr(); pp != nil {
			p.pinner = pp.pinnerCache
			pp.pinnerCache = nil
		}
		releasem(mp)

		if p.pinner == nil {
			// Didn't get anything from the pinner cache.
			p.pinner = new(pinner)
			p.refs = p.refStore[:0]

		// parallel, their test functions return (and are no longer “running”)
		// before the inner subtests are released to run and hang.
		// Only those inner subtests should be reported as running.
		want := []string{
			"TestRunningTests/outer0/inner0",
			"TestRunningTests/outer0/inner1",
			"TestRunningTests/outer1/inner0",
			"TestRunningTests/outer1/inner1",
		}

		got, ok := parseRunningTests(out)
		if slices.Equal(got, want) {

// partially instantiated generic functions may be assigned
// (incl. returned) to variables of function type and type
// inference will attempt to infer the missing type arguments.
// Available with go1.21.
const enableReverseTypeInference = true // disable for debugging

// infer attempts to infer the complete set of type arguments for generic function instantiation/call

// partially instantiated generic functions may be assigned
// (incl. returned) to variables of function type and type
// inference will attempt to infer the missing type arguments.
// Available with go1.21.
const enableReverseTypeInference = true // disable for debugging

// infer attempts to infer the complete set of type arguments for generic function instantiation/call

Leonardo Sarra <******@****.***> 1718116194 +0200

Leonardo Sarra <******@****.***> 1718116194 +0200

  //      input2 += 1
  //      inner_input1 += 2
  //    }
  //    input1 += input2
  //  }
  //
  // Expected execution with initial values input1 = input2 = 0:
  //
  // outer inner               inner_
  // step# step# input1 input2 input1
  // ------------------------------------
  //   0     0     0      0      0
  //   0     1     0      1      2
  //   0     2     0      2      4

Leonardo Sarra <******@****.***> 1718116194 +0200

Leonardo Sarra <******@****.***> 1718116194 +0200

Leonardo Sarra <******@****.***> 1718116194 +0200