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LibCore+Everywhere: Make Core::Stream::read() return Bytes

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A mistake I've repeatedly made is along these lines:
```c++
auto nread = TRY(source_file->read(buffer));
TRY(destination_file->write(buffer));
```

It's a little clunky to have to create a Bytes or StringView from the
buffer's data pointer and the nread, and easy to forget and just use
the buffer. So, this patch changes the read() function to return a
Bytes of the data that were just read.

The other read_foo() methods will be modified in the same way in
subsequent commits.

Fixes #13687
This commit is contained in:
Sam Atkins 2022-04-15 13:33:02 +01:00 • committed by Tim Flynn
parent 6654efcd82
commit 3b1e063d30
22 changed files with 103 additions and 103 deletions
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4
Meta/Lagom/Tools/CodeGenerators/LibUnicode/GeneratorUtil.h
View file

@ -259,8 +259,8 @@ inline ErrorOr<JsonValue> read_json_file(StringView path)
// FIXME: When Core::Stream supports reading an entire file, use that.
while (TRY(file->can_read_line())) {
auto nread = TRY(file->read(buffer));
TRY(builder.try_append(reinterpret_cast<char const*>(buffer.data()), nread));
auto bytes_read = TRY(file->read(buffer));
TRY(builder.try_append(StringView { bytes_read }));
}
return JsonValue::from_string(builder.build());