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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
5 changed files with 54 additions and 20 deletions
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2
AK/FixedPoint.h
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@ -443,7 +443,7 @@ struct Formatter<FixedPoint<precision, Underlying>> : StandardFormatter {
i64 integer = value.ltrunk();
constexpr u64 one = static_cast<Underlying>(1) << precision;
u64 fraction_raw = value.raw() & (one - 1);
return builder.put_fixed_point(is_negative, integer, fraction_raw, one, base, upper_case, m_zero_pad, m_align, m_width.value(), m_precision.value(), m_fill, m_sign_mode, real_number_display_mode);
return builder.put_fixed_point(is_negative, integer, fraction_raw, one, base, upper_case, m_zero_pad, m_use_separator, m_align, m_width.value(), m_precision.value(), m_fill, m_sign_mode, real_number_display_mode);
}
};