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fmt.Scan: custom formatters

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R=rsc
CC=golang-dev
https://golang.org/cl/1315042
This commit is contained in:
Rob Pike 2010-05-26 18:16:41 -07:00
parent 6965b407dd
commit 7ee6d44e4f
1 changed files with 11 additions and 11 deletions
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22
src/pkg/fmt/scan.go
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@ -181,11 +181,11 @@ func (s *ss) token() string {
return s.buf.String()
}
// Scan parses text read from r, storing successive space-separated
// values into successive arguments. Newlines count as space. Each
// argument must be a pointer to a basic type. It returns the number of
// items successfully parsed. If that is less than the number of arguments,
// err will report why.
// Scan parses text read from r, storing successive space-separated values
// into successive arguments. Newlines count as space. Each argument must
// be a pointer to a basic type or an implementation of the Scanner
// interface. It returns the number of items successfully parsed. If that
// is less than the number of arguments, err will report why.
func Scan(r io.Reader, a ...interface{}) (n int, err os.Error) {
s := newScanState(r, true)
n = s.doScan(a)
@ -194,12 +194,12 @@ func Scan(r io.Reader, a ...interface{}) (n int, err os.Error) {
return
}
// Scanln parses text read from r, storing successive space-separated
// values into successive arguments. Scanning stops at a newline and after
// the final item there must be a newline or EOF. Each argument must be a
// pointer to a basic type. It returns the number of items successfully
// parsed. If that is less than the number of arguments, err will report
// why.
// Scanln parses text read from r, storing successive space-separated values
// into successive arguments. Scanning stops at a newline and after the
// final item there must be a newline or EOF. Each argument must be a
// pointer to a basic type or an implementation of the Scanner interface. It
// returns the number of items successfully parsed. If that is less than the
// number of arguments, err will report why.
func Scanln(r io.Reader, a ...interface{}) (n int, err os.Error) {
s := newScanState(r, false)
n = s.doScan(a)