"cmd/internal/pkgpattern"

	"golang.org/x/mod/module"
)

// A query describes a command-line argument and the modules and/or packages
// to which that argument may resolve..
type query struct {
	// raw is the original argument, to be printed in error messages.
	raw string

	// rawVersion is the portion of raw corresponding to version, if any
	rawVersion string

	// pattern is the part of the argument before "@" (or the whole argument

// slice with the contents of the given slice followed by that many bytes and a
// second slice that aliases into it and contains only the extra bytes. If the
// original slice has sufficient capacity then no allocation is performed.
func sliceForAppend(in []byte, n int) (head, tail []byte) {
	if total := len(in) + n; cap(in) >= total {
		head = in[:total]
	} else {

// go1.21 and earlier are no longer supported by x/tools.

package versions

import "strings"

// A gover is a parsed Go gover: major[.Minor[.Patch]][kind[pre]]
// The numbers are the original decimal strings to avoid integer overflows
// and since there is very little actual math. (Probably overflow doesn't matter in practice,
// but at the time this code was written, there was an existing test that used

	// First, lock to avoid interleaving writes.
	lock(&faketimeState.lock)

	// If the current fd doesn't match the fd of the previous write,
	// ensure that the timestamp is strictly greater. That way, we can
	// recover the original order even if we read the fds separately.
	t := faketimeState.lastfaketime
	if fd != faketimeState.lastfd {
		t++
		faketimeState.lastfd = fd
	}
	if faketime > t {
		t = faketime
	}

// license that can be found in the LICENSE file.

package cmplx

import "math"

// The original C code, the long comment, and the constants
// below are from http://netlib.sandia.gov/cephes/c9x-complex/clog.c.
// The go code is a simplified version of the original C.
//
// Cephes Math Library Release 2.8:  June, 2000
// Copyright 1984, 1987, 1989, 1992, 2000 by Stephen L. Moshier
//

// Methods attached to a *Named type are also instantiated, and associated with
// a new *Func that has the same position as the original method, but nil function
// scope.
//
// If ctxt is non-nil, it may be used to de-duplicate the instance against
// previous instances with the same identity. As a special case, generic
// *Signature origin types are only considered identical if they are pointer
// equivalent, so that instantiating distinct (but possibly identical)

# Testcase for #63356. In this bug we're doing a "go test -coverprofile"
# run for a collection of packages, mostly independent (hence tests can
# be done in parallel) and in the original bug, temp coverage profile
# files were not being properly qualified and were colliding, resulting
# in a corrupted final profile. Actual content of the packages doesn't
# especially matter as long as we have a mix of packages with tests and
# multiple packages without tests.

	if err != nil {
		t.Error(err)
	}
}

func testModSubThenAddIdentity(a *Nat, b *Nat) bool {
	m := maxModulus(uint(len(a.limbs)))
	original := new(Nat).set(a)
	a.Sub(b, m)
	a.Add(b, m)
	return a.Equal(original) == 1
}

func TestModSubThenAddIdentity(t *testing.T) {
	err := quick.Check(testModSubThenAddIdentity, &quick.Config{})
	if err != nil {
		t.Error(err)
	}
}

	// (to satisfy possible pointer methods) and continues to dereference
	// subsequent pointers as necessary.
	//
	// After the first round-trip, we set v back to the original value to
	// preserve the original RW flags contained in reflect.Value.
	v0 := v
	haveAddr := false

	// If v is a named type and is addressable,
	// start with its address, so that if the type has pointer methods,

			// is unique, so the relative ordering of two LMS-suffixes
			// is determined by just the leading LMS-substring.
			// That is, the LMS-suffix sort order matches the
			// (simpler) LMS-substring sort order.
			// Copy the original LMS-substring order into the
			// suffix array destination.
			copy(sa, sa[len(sa)-numLMS:])
		}
		expand_8_64(text, freq, bucket, sa, numLMS)
	}
	induceL_8_64(text, sa, freq, bucket)