diff options
Diffstat (limited to 'vendor/github.com/dustin/go-humanize/ftoa.go')
-rw-r--r-- | vendor/github.com/dustin/go-humanize/ftoa.go | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/vendor/github.com/dustin/go-humanize/ftoa.go b/vendor/github.com/dustin/go-humanize/ftoa.go index c76190b10..1c62b640d 100644 --- a/vendor/github.com/dustin/go-humanize/ftoa.go +++ b/vendor/github.com/dustin/go-humanize/ftoa.go @@ -1,6 +1,9 @@ package humanize -import "strconv" +import ( + "strconv" + "strings" +) func stripTrailingZeros(s string) string { offset := len(s) - 1 @@ -17,7 +20,27 @@ func stripTrailingZeros(s string) string { return s[:offset+1] } +func stripTrailingDigits(s string, digits int) string { + if i := strings.Index(s, "."); i >= 0 { + if digits <= 0 { + return s[:i] + } + i++ + if i+digits >= len(s) { + return s + } + return s[:i+digits] + } + return s +} + // Ftoa converts a float to a string with no trailing zeros. func Ftoa(num float64) string { return stripTrailingZeros(strconv.FormatFloat(num, 'f', 6, 64)) } + +// FtoaWithDigits converts a float to a string but limits the resulting string +// to the given number of decimal places, and no trailing zeros. +func FtoaWithDigits(num float64, digits int) string { + return stripTrailingZeros(stripTrailingDigits(strconv.FormatFloat(num, 'f', 6, 64), digits)) +} |