github.com/elliott5/community@v0.14.1-0.20160709191136-823126fb026a/wordsmith/utility/defclose.go (about)

     1  // Copyright 2016 Documize Inc. <legal@documize.com>. All rights reserved.
     2  //
     3  // This software (Documize Community Edition) is licensed under 
     4  // GNU AGPL v3 http://www.gnu.org/licenses/agpl-3.0.en.html
     5  //
     6  // You can operate outside the AGPL restrictions by purchasing
     7  // Documize Enterprise Edition and obtaining a commercial license
     8  // by contacting <sales@documize.com>. 
     9  //
    10  // https://documize.com
    11  
    12  package utility
    13  
    14  import "io"
    15  import "github.com/documize/community/wordsmith/log"
    16  
    17  // Close is a convenience function to close an io.Closer, usually in a defer.
    18  func Close(f interface{}) {
    19  	if f != nil {
    20  		if ff, ok := f.(io.Closer); ok {
    21  			if ff != io.Closer(nil) {
    22  				log.IfErr(ff.Close())
    23  			}
    24  		}
    25  	}
    26  }