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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
Notes: sideshowbarker 2024-07-17 03:26:24 +09:00 
Author: https://github.com/alimpfard
Commit: https://github.com/SerenityOS/serenity/commit/543890c5c9
Pull-request: https://github.com/SerenityOS/serenity/pull/16396
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/awesomekling ✅
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 {};
}
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)
{
m_buffer.ensure_capacity(initial_capacity);

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