diff options
Diffstat (limited to 'src/pkg/fmt/doc.go')
| -rw-r--r-- | src/pkg/fmt/doc.go | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/src/pkg/fmt/doc.go b/src/pkg/fmt/doc.go index b40e265ae..77ee62bb1 100644 --- a/src/pkg/fmt/doc.go +++ b/src/pkg/fmt/doc.go @@ -120,7 +120,7 @@ An analogous set of functions scans formatted text to yield values. Scan, Scanf and Scanln read from os.Stdin; Fscan, Fscanf and Fscanln read from a specified os.Reader; Sscan, - Sscanf and Sscanln read from an argument string. Sscanln, + Sscanf and Sscanln read from an argument string. Scanln, Fscanln and Sscanln stop scanning at a newline and require that the items be followed by one; Sscanf, Fscanf and Sscanf require newlines in the input to match newlines in the format; the other @@ -164,13 +164,15 @@ All arguments to be scanned must be either pointers to basic types or implementations of the Scanner interface. - Note: Fscan etc. can read one character (rune) past the - input they return, which means that a loop calling a scan - routine may skip some of the input. This is usually a - problem only when there is no space between input values. - However, if the reader provided to Fscan implements UnreadRune, + Note: Fscan etc. can read one character (rune) past the input + they return, which means that a loop calling a scan routine + may skip some of the input. This is usually a problem only + when there is no space between input values. If the reader + provided to Fscan implements ReadRune, that method will be used + to read characters. If the reader also implements UnreadRune, that method will be used to save the character and successive - calls will not lose data. To attach an UnreadRune method - to a reader without that capability, use bufio.NewReader. + calls will not lose data. To attach ReadRune and UnreadRune + methods to a reader without that capability, use + bufio.NewReader. */ package fmt |