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			18 lines
		
	
	
		
			305 B
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			18 lines
		
	
	
		
			305 B
		
	
	
	
		
			Go
		
	
	
	
	
	
|   | package core | ||
|  | 
 | ||
|  | import ( | ||
|  | 	"context" | ||
|  | ) | ||
|  | 
 | ||
|  | type key int | ||
|  | 
 | ||
|  | const v2rayKey key = 1 | ||
|  | 
 | ||
|  | // FromContext returns a Instance from the given context, or nil if the context doesn't contain one. | ||
|  | func FromContext(ctx context.Context) *Instance { | ||
|  | 	if s, ok := ctx.Value(v2rayKey).(*Instance); ok { | ||
|  | 		return s | ||
|  | 	} | ||
|  | 	return nil | ||
|  | } |