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AK: Add option to the string formatter to use a digit separator

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`vformat()` can now accept format specifiers of the form
{:'[numeric-type]}. This will output a number with a comma separator
every 3 digits.

For example:

`dbgln("{:'d}", 9999999);` will output 9,999,999.

Binary, octal and hexadecimal numbers can also use this feature, for
example:

`dbgln("{:'x}", 0xffffffff);` will output ff,fff,fff.
This commit is contained in:
Tim Ledbetter
2023-03-06 17:31:39 +00:00
committed by Jelle Raaijmakers
parent 605b4e96a8
commit 72ea046b68
Notes: sideshowbarker 2024-07-17 01:04:03 +09:00 
Author: https://github.com/tcl3
Commit: https://github.com/SerenityOS/serenity/commit/72ea046b68
Pull-request: https://github.com/SerenityOS/serenity/pull/17739
Reviewed-by: https://github.com/gmta
5 changed files with 54 additions and 20 deletions
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2
Userland/Libraries/LibCrypto/Hash/HashFunction.h
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@@ -70,7 +70,7 @@ struct AK::Formatter<Crypto::Hash::Digest<DigestS>> : StandardFormatter {
for (size_t i = 0; i < digest.Size; ++i) {
if (i > 0 && i % 4 == 0)
TRY(builder.put_padding('-', 1));
TRY(builder.put_u64(digest.data[i], 16, false, false, true, FormatBuilder::Align::Right, 2));
TRY(builder.put_u64(digest.data[i], 16, false, false, true, false, FormatBuilder::Align::Right, 2));
}
return {};
}