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more useful error string

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R=r
DELTA=5  (4 added, 0 deleted, 1 changed)
OCL=29088
CL=29090
This commit is contained in:
Robert Griesemer 2009-05-20 11:02:12 -07:00
parent 02f13e4764
commit 1b3b51f7db
1 changed files with 5 additions and 1 deletions
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6
src/lib/go/parser/parser.go
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@ -50,7 +50,11 @@ func (p ErrorList) Less(i, j int) bool { return p[i].Pos.Offset < p[j].Pos.Offs
func (p ErrorList) String() string {
return fmt.Sprintf("%d syntax errors", len(p));
switch len(p) {
case 0: return "unspecified error";
case 1: return p[0].String();
}
return fmt.Sprintf("%s (and %d more errors)", p[0].String(), len(p) - 1);
}