github.com/april1989/origin-go-tools@v0.0.32/refactor/eg/testdata/A1.go (about)

     1  // +build ignore
     2  
     3  package A1
     4  
     5  import (
     6  	. "fmt"
     7  	myfmt "fmt"
     8  	"os"
     9  	"strings"
    10  )
    11  
    12  func example(n int) {
    13  	x := "foo" + strings.Repeat("\t", n)
    14  	// Match, despite named import.
    15  	myfmt.Errorf("%s", x)
    16  
    17  	// Match, despite dot import.
    18  	Errorf("%s", x)
    19  
    20  	// Match: multiple matches in same function are possible.
    21  	myfmt.Errorf("%s", x)
    22  
    23  	// No match: wildcarded operand has the wrong type.
    24  	myfmt.Errorf("%s", 3)
    25  
    26  	// No match: function operand doesn't match.
    27  	myfmt.Printf("%s", x)
    28  
    29  	// No match again, dot import.
    30  	Printf("%s", x)
    31  
    32  	// Match.
    33  	myfmt.Fprint(os.Stderr, myfmt.Errorf("%s", x+"foo"))
    34  
    35  	// No match: though this literally matches the template,
    36  	// fmt doesn't resolve to a package here.
    37  	var fmt struct{ Errorf func(string, string) }
    38  	fmt.Errorf("%s", x)
    39  
    40  	// Recursive matching:
    41  
    42  	// Match: both matches are well-typed, so both succeed.
    43  	myfmt.Errorf("%s", myfmt.Errorf("%s", x+"foo").Error())
    44  
    45  	// Outer match succeeds, inner doesn't: 3 has wrong type.
    46  	myfmt.Errorf("%s", myfmt.Errorf("%s", 3).Error())
    47  
    48  	// Inner match succeeds, outer doesn't: the inner replacement
    49  	// has the wrong type (error not string).
    50  	myfmt.Errorf("%s", myfmt.Errorf("%s", x+"foo"))
    51  }