diff options
Diffstat (limited to 'src/pkg/fmt/print.go')
| -rw-r--r-- | src/pkg/fmt/print.go | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/src/pkg/fmt/print.go b/src/pkg/fmt/print.go index bb6990ae9..7a972d894 100644 --- a/src/pkg/fmt/print.go +++ b/src/pkg/fmt/print.go @@ -80,12 +80,11 @@ Scanning: An analogous set of functions scans formatted text to yield - values. Scan and Scanln read from os.Stdin; Fscan and Fscanln - read from a specified os.Reader; Sscan and Sscanln read from - an argument string. By default, tokens are separated by - spaces. Sscanln, Fscanln and Sscanln stop scanning at a - newline and require that the items be followed by one; the - other routines treat newlines as spaces. + values. Scan and Scanln read from os.Stdin; Fscan and + Fscanln read from a specified os.Reader; Sscan and Sscanln + read from an argument string. Sscanln, Fscanln and Sscanln + stop scanning at a newline and require that the items be + followed by one; the other routines treat newlines as spaces. Scanf, Fscanf, and Sscanf parse the arguments according to a format string, analogous to that of Printf. For example, "%x" @@ -99,6 +98,12 @@ %T is not implemented %e %E %f %F %g %g are all equivalent and scan any floating point or complex value + %s and %v on strings scan a space-delimited token + + Width is interpreted in the input text (%5s means at most + five runes of input will be read to scan a string) but there + is no syntax for scanning with a precision (no %5.2f, just + %5f). When scanning with a format, all non-empty runs of space characters (including newline) are equivalent to a single @@ -118,8 +123,6 @@ */ package fmt -// BUG: format precision and flags are not yet implemented for scanning. - import ( "bytes" "io" |