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| author | Russ Cox <rsc@golang.org> | 2019-01-29 22:13:54 -0500 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2019-02-26 05:16:49 +0000 |
| commit | e1a6d1fc08b2701ac9f67353cb52c51d52877669 (patch) | |
| tree | 58cd10365ac53e6c5fd06f7ddc49c8e47878e46a /src/fmt/doc.go | |
| parent | 50bb2b6b0f11e4e3ef73aee55946cd4da546f6b1 (diff) | |
| download | go-e1a6d1fc08b2701ac9f67353cb52c51d52877669.tar.xz | |
fmt: format hex floats and complexes
This CL modifies fmt's printer to implement %x and %X
for formatting floating-point data (floats and complexes)
in standard hexadecimal notation.
See golang.org/design/19308-number-literals for background.
For #29008.
Vet update is #29986.
Change-Id: If2842a11631bc393a1ebcf6914ed07658652af5a
Reviewed-on: https://go-review.googlesource.com/c/160245
Reviewed-by: Robert Griesemer <gri@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
Diffstat (limited to 'src/fmt/doc.go')
| -rw-r--r-- | src/fmt/doc.go | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/fmt/doc.go b/src/fmt/doc.go index 3b657f3681..c349f8e321 100644 --- a/src/fmt/doc.go +++ b/src/fmt/doc.go @@ -40,6 +40,8 @@ %F synonym for %f %g %e for large exponents, %f otherwise. Precision is discussed below. %G %E for large exponents, %F otherwise + %x hexadecimal notation (with decimal power of two exponent), e.g. -0x1.23abcp+20 + %X upper-case hexadecimal notation, e.g. -0X1.23ABCP+20 String and slice of bytes (treated equivalently with these verbs): %s the uninterpreted bytes of the string or slice %q a double-quoted string safely escaped with Go syntax |