1// Copyright 2023 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// Issue 62430: a program that uses plugins may appear 6// to have no references to an initialized global map variable defined 7// in some stdlib package (ex: unicode), however there 8// may be references to that map var from a plugin that 9// gets loaded. 10 11package main 12 13import ( 14 "fmt" 15 "plugin" 16 "unicode" 17) 18 19func main() { 20 p, err := plugin.Open("issue62430.so") 21 if err != nil { 22 panic(err) 23 } 24 s, err := p.Lookup("F") 25 if err != nil { 26 panic(err) 27 } 28 29 f := s.(func(string) *unicode.RangeTable) 30 if f("C") == nil { 31 panic("unicode.Categories not properly initialized") 32 } else { 33 fmt.Println("unicode.Categories properly initialized") 34 } 35} 36