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| author | adisbladis <adisbladis@gmail.com> | 2023-12-11 16:36:03 +1300 |
|---|---|---|
| committer | adisbladis <adisbladis@gmail.com> | 2023-12-11 16:36:29 +1300 |
| commit | ad647985cf40f0970dac341f5677afafa96edeea (patch) | |
| tree | 22d68752f4fec5346ed97f632ac73dcdf4e2d565 /lib | |
| parent | eec92ca9df6ac423377275170caf58878076f798 (diff) | |
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lib.toHexString: Statically compute hexDigits attrset
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/trivial.nix | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/lib/trivial.nix b/lib/trivial.nix index caff77190fde..5092b68dfe75 100644 --- a/lib/trivial.nix +++ b/lib/trivial.nix @@ -510,22 +510,20 @@ rec { toHexString 250 => "FA" */ - toHexString = i: - let - toHexDigit = d: - if d < 10 - then toString d - else - { - "10" = "A"; - "11" = "B"; - "12" = "C"; - "13" = "D"; - "14" = "E"; - "15" = "F"; - }.${toString d}; - in - lib.concatMapStrings toHexDigit (toBaseDigits 16 i); + toHexString = let + hexDigits = { + "10" = "A"; + "11" = "B"; + "12" = "C"; + "13" = "D"; + "14" = "E"; + "15" = "F"; + }; + toHexDigit = d: + if d < 10 + then toString d + else hexDigits.${toString d}; + in i: lib.concatMapStrings toHexDigit (toBaseDigits 16 i); /* `toBaseDigits base i` converts the positive integer i to a list of its digits in the given base. For example: |