// in GOPATH mode, and modload.loaded (accessed via modload.Lookup) may be
// modified by modload.LoadPackages.
type preload struct {
	cancel chan struct{}
	sema   chan struct{}
}

// newPreload creates a new preloader. flush must be called later to avoid
// accessing global state while it is being modified.
func newPreload() *preload {
	pre := &preload{
		cancel: make(chan struct{}),

//
// See https://golang.org/ref/mod#go-mod-tidy for more about 'go mod tidy'.
//
// # Make vendored copy of dependencies
//
// Usage:
//
//	go mod vendor [-e] [-v] [-o outdir]
//
// Vendor resets the main module's vendor directory to include all packages
// needed to build and test all the main module's packages.
// It does not include test code for vendored packages.
//

				gofiles[i] = coverFile
			} else {
				cgofiles[i-len(gofiles)] = coverFile
			}
		}

		if cfg.Experiment.CoverageRedesign {
			if len(infiles) != 0 {
				// Coverage instrumentation creates new top level
				// variables in the target package for things like
				// meta-data containers, counter vars, etc. To avoid
				// collisions with user variables, suffix the var name

	Polar    = polar    // Polar and polar denote identical types
)
</pre>


<h4 id="Type_definitions">Type definitions</h4>

<p>
A type definition creates a new, distinct type with the same
<a href="#Types">underlying type</a> and operations as the given type,
and binds an identifier to it.
</p>

<pre class="ebnf">
TypeDef = identifier Type .
</pre>