diff options
Diffstat (limited to 'libgo/go/fmt/doc.go')
| -rw-r--r-- | libgo/go/fmt/doc.go | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/libgo/go/fmt/doc.go b/libgo/go/fmt/doc.go index a2faecb36e1..014ba06948d 100644 --- a/libgo/go/fmt/doc.go +++ b/libgo/go/fmt/doc.go @@ -38,7 +38,7 @@ %E scientific notation, e.g. -1.234456E+78 %f decimal point but no exponent, e.g. 123.456 %F synonym for %f - %g %e for large exponents, %f otherwise + %g %e for large exponents, %f otherwise. Precision is discussed below. %G %E for large exponents, %F otherwise String and slice of bytes (treated equivalently with these verbs): %s the uninterpreted bytes of the string or slice @@ -94,7 +94,7 @@ precision sets the number of places after the decimal, if appropriate, except that for %g/%G precision sets the total number of significant digits. For example, given 12.345 the format %6.3f prints 12.345 while - %.3g prints 12.3. The default precision for %e and %f is 6; for %g it + %.3g prints 12.3. The default precision for %e, %f and %#g is 6; for %g it is the smallest number of digits necessary to identify the value uniquely. For complex numbers, the width and precision apply to the two @@ -109,6 +109,8 @@ 0X for hex (%#X); suppress 0x for %p (%#p); for %q, print a raw (backquoted) string if strconv.CanBackquote returns true; + always print a decimal point for %e, %E, %f, %F, %g and %G; + do not remove trailing zeros for %g and %G; write e.g. U+0078 'x' if the character is printable for %U (%#U). ' ' (space) leave a space for elided sign in numbers (% d); put spaces between bytes printing strings or slices in hex (% x, % X) @@ -190,9 +192,9 @@ For example, fmt.Sprintf("%[2]d %[1]d\n", 11, 22) will yield "22 11", while - fmt.Sprintf("%[3]*.[2]*[1]f", 12.0, 2, 6), + fmt.Sprintf("%[3]*.[2]*[1]f", 12.0, 2, 6) equivalent to - fmt.Sprintf("%6.2f", 12.0), + fmt.Sprintf("%6.2f", 12.0) will yield " 12.00". Because an explicit index affects subsequent verbs, this notation can be used to print the same values multiple times by resetting the index for the first argument to be repeated: |