strconv: add 0b, 0o integer prefixes in ParseInt, ParseUint

This CL modifies ParseInt and ParseUint to recognize
0b and 0o as binary and octal base prefixes when base == 0.

See golang.org/design/19308-number-literals for background.

For #19308.
For #12711.

Change-Id: I8efe067f415aa517bdefbff7e230d3fa1694d530
Reviewed-on: https://go-review.googlesource.com/c/160244
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
2 files changed
tree: bf2c1b802639dd1174662d3761b768be3e6ef7f9
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. AUTHORS
  11. CONTRIBUTING.md
  12. CONTRIBUTORS
  13. favicon.ico
  14. LICENSE
  15. PATENTS
  16. README.md
  17. robots.txt
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