Golang go/scanner.ErrorHandler type example
package go/scanner
An ErrorHandler may be provided to Scanner.Init. If a syntax error is encountered and a handler was installed, the handler is called with a position and an error message. The position points to the beginning of the offending token.
Golang go/scanner.ErrorHandler type usage example
func (s *scnr) Init(file *token.File, src []byte, err scanner.ErrorHandler, modeGo bool) {
s.sc.Init(file, src, err, scanner.ScanComments)
s.modeGo = modeGo
s.first = true
}
Reference :
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