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AK: Add a fallible StringBuilder::create() factory function

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This is nice, and is also used by the Jakt runtime.
This commit is contained in:
Ali Mohammad Pur 2022-12-09 20:15:35 +03:30 • committed by Ali Mohammad Pur
parent 21c2d8bd98
commit 543890c5c9
2 changed files with 9 additions and 0 deletions
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7
AK/StringBuilder.cpp
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@ -36,6 +36,13 @@ inline ErrorOr<void> StringBuilder::will_append(size_t size)
return {}; return {};
} }
ErrorOr<StringBuilder> StringBuilder::create(size_t initial_capacity)
{
StringBuilder builder;
TRY(builder.m_buffer.try_ensure_capacity(initial_capacity));
return builder;
}
StringBuilder::StringBuilder(size_t initial_capacity) StringBuilder::StringBuilder(size_t initial_capacity)
{ {
m_buffer.ensure_capacity(initial_capacity); m_buffer.ensure_capacity(initial_capacity);

2
AK/StringBuilder.h
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@ -18,6 +18,8 @@ class StringBuilder {
public: public:
using OutputType = DeprecatedString; using OutputType = DeprecatedString;
static ErrorOr<StringBuilder> create(size_t initial_capacity = inline_capacity);
explicit StringBuilder(size_t initial_capacity = inline_capacity); explicit StringBuilder(size_t initial_capacity = inline_capacity);
~StringBuilder() = default; ~StringBuilder() = default;