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misc (#1033)

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* make conv::char32_to_utf8_unsafe() return the number of bytes it wrote
add tests for DString
fix pointer arithmetic in DString.insert_at

Signed-off-by: Pierre Curto <pierre.curto@gmail.com>

* add support to printf for %d and enums

Signed-off-by: Pierre Curto <pierre.curto@gmail.com>

---------

Signed-off-by: Pierre Curto <pierre.curto@gmail.com>
This commit is contained in:
Pierre Curto
2023-10-08 02:12:20 +02:00
committed by GitHub
parent 312a39ee24
commit 3aa85cf641
5 changed files with 163 additions and 13 deletions
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3
lib/std/core/dstring.c3
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@@ -136,8 +136,7 @@ fn void DString.append_char32(&self, Char32 c)
{
char[4] buffer @noinit;
char* p = &buffer;
conv::char32_to_utf8_unsafe(c, &p);
usz n = p - (char*)&buffer;
usz n = conv::char32_to_utf8_unsafe(c, &p);
self.reserve(n);
StringData* data = self.data();
data.chars[data.len:n] = buffer[:n];