}

// Var defines a flag with the specified name and usage string. The type and
// value of the flag are represented by the first argument, of type [Value], which
// typically holds a user-defined implementation of [Value]. For instance, the
// caller could create a flag that turns a comma-separated string into a slice
// of strings by giving the slice the methods of [Value]; in particular, [Set] would

		if escaped != sh.workDir {
			cmd = strings.ReplaceAll(cmd, escaped, "$WORK")
		}
	}
	return cmd
}

// ShowCmd prints the given command to standard output
// for the implementation of -n or -x.
//
// ShowCmd also replaces the name of the current script directory with dot (.)
// but only when it is at the beginning of a space-separated token.
//

// x and y must have a non-empty mantissa and valid exponent.
func (z *Float) uadd(x, y *Float) {
	// Note: This implementation requires 2 shifts most of the
	// time. It is also inefficient if exponents or precisions
	// differ by wide margins. The following article describes
	// an efficient (but much more complicated) implementation
	// compatible with the internal representation used here:
	//

	b := new(Int).SetBytes(bBytes)

	d := new(Int).GCD(x, y, a, b)
	x.Mul(x, a)
	y.Mul(y, b)
	x.Add(x, y)

	return x.Cmp(d) == 0
}

// euclidExtGCD is a reference implementation of Euclid's
// extended GCD algorithm for testing against optimized algorithms.
// Requirements: a, b > 0
func euclidExtGCD(a, b *Int) (g, x, y *Int) {
	A := new(Int).Set(a)
	B := new(Int).Set(b)

	return func(ts *httptest.Server) {
		ts.Config.ErrorLog = lg
	}
}

// newClientServerTest creates and starts an httptest.Server.
//
// The mode parameter selects the implementation to test:
// HTTP/1, HTTP/2, etc. Tests using newClientServerTest should use
// the 'run' function, which will start a subtests for each tested mode.
//
// The vararg opts parameter can include functions to configure the

				default:
					panic("unknown ABI part kind")
				}
			}
			ret[i] = Value{tv, s, flagIndir | flag(tv.Kind())}
		}
	}

	return ret
}

// callReflect is the call implementation used by a function
// returned by MakeFunc. In many ways it is the opposite of the
// method Value.call above. The method above converts a call using Values
// into a call of a function with a concrete argument frame, while

			return nil, &fs.PathError{Op: opName, Path: cpath, Err: nonFileInOverlayError(node.actualFilePath)}
		}
		return fakeFile{name: filepath.Base(path), real: fi}, nil
	}
}

// fakeFile provides an fs.FileInfo implementation for an overlaid file,
// so that the file has the name of the overlaid file, but takes all
// other characteristics of the replacement file.
type fakeFile struct {
	name string
	real fs.FileInfo
}

	return Unalias(t.resolve().underlying)
}

func (t *Named) String() string { return TypeString(t, nil) }

// ----------------------------------------------------------------------------
// Implementation
//
// TODO(rfindley): reorganize the loading and expansion methods under this
// heading.

// under returns the expanded underlying type of n0; possibly by following

	}
}

// Note: see comment in handshake_test.go for details of how the reference
// tests work.

// serverTest represents a test of the TLS server handshake against a reference
// implementation.
type serverTest struct {
	// name is a freeform string identifying the test and the file in which
	// the expected results will be stored.
	name string

// them is responsible.
//
// Matching that behavior for runtime-internal locks will require identifying
// which Ms are blocked on the mutex. The semaphore-based implementation is
// ready to allow that, but the futex-based implementation will require a bit
// more work. Until then, we report contention on runtime-internal locks with a
// call stack taken from the unlock call (like the rest of the user-space