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Source file src/cmd/cover/doc.go

Documentation: cmd/cover

  // Copyright 2013 The Go Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style
  // license that can be found in the LICENSE file.
  
  /*
  Cover is a program for analyzing the coverage profiles generated by
  'go test -coverprofile=cover.out'.
  
  Cover is also used by 'go test -cover' to rewrite the source code with
  annotations to track which parts of each function are executed.
  It operates on one Go source file at a time, computing approximate
  basic block information by studying the source. It is thus more portable
  than binary-rewriting coverage tools, but also a little less capable.
  For instance, it does not probe inside && and || expressions, and can
  be mildly confused by single statements with multiple function literals.
  
  When computing coverage of a package that uses cgo, the cover tool
  must be applied to the output of cgo preprocessing, not the input,
  because cover deletes comments that are significant to cgo.
  
  For usage information, please see:
  	go help testflag
  	go tool cover -help
  */
  package main
  

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