golang.org/x/tools/gopls@v0.15.3/internal/vulncheck/vulntest/stdlib.go (about)

     1  // Copyright 2022 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build go1.18
     6  // +build go1.18
     7  
     8  package vulntest
     9  
    10  import (
    11  	"strings"
    12  
    13  	"golang.org/x/mod/module"
    14  )
    15  
    16  // maybeStdlib reports whether the given import path could be part of the Go
    17  // standard library, by reporting whether the first component lacks a '.'.
    18  func maybeStdlib(path string) bool {
    19  	if err := module.CheckImportPath(path); err != nil {
    20  		return false
    21  	}
    22  	if i := strings.IndexByte(path, '/'); i != -1 {
    23  		path = path[:i]
    24  	}
    25  	return !strings.Contains(path, ".")
    26  }