diff options
Diffstat (limited to 'src/pkg/fmt/doc.go')
| -rw-r--r-- | src/pkg/fmt/doc.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/pkg/fmt/doc.go b/src/pkg/fmt/doc.go index 02c29389d..b40e265ae 100644 --- a/src/pkg/fmt/doc.go +++ b/src/pkg/fmt/doc.go @@ -16,6 +16,7 @@ when printing structs, the plus flag (%+v) adds field names %#v a Go-syntax representation of the value %T a Go-syntax representation of the type of the value + %% a literal percent sign; consumes no value Boolean: %t the word true or false @@ -28,6 +29,8 @@ %X base 16, with upper-case letters for A-F %U Unicode format: U+1234; same as "U+%x" with 4 digits default Floating-point and complex constituents: + %b decimalless scientific notation with exponent a power + of two, in the manner of strconv.Ftoa32, e.g. -123456p-78 %e scientific notation, e.g. -1234.456e+78 %E scientific notation, e.g. -1234.456E+78 %f decimal point but no exponent, e.g. 123.456 @@ -136,6 +139,10 @@ %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 + The familiar base-setting prefixes 0 (octal) and 0x + (hexadecimal) are accepted when scanning integers without a + format or with the %v verb. + 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 |