tmp/tmpf80u9kzo/{from.md → to.md}
RENAMED
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@@ -27,11 +27,11 @@ namespace std {
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: basic_osyncstream(os, Allocator()) {}
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basic_osyncstream(basic_osyncstream&&) noexcept;
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~basic_osyncstream();
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// assignment
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-
basic_osyncstream& operator=(basic_osyncstream&&)
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// [syncstream.osyncstream.members], member functions
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void emit();
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streambuf_type* get_wrapped() const noexcept;
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syncbuf_type* rdbuf() const noexcept { return const_cast<syncbuf_type*>(addressof(sb)); }
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@@ -40,12 +40,12 @@ namespace std {
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syncbuf_type sb; // exposition only
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};
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}
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```
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`Allocator` shall meet the *Cpp17Allocator* requirements
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[[
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[*Example 1*:
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A named variable can be used within a block statement for streaming.
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@@ -80,13 +80,13 @@ basic_osyncstream(streambuf_type* buf, const Allocator& allocator);
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```
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*Effects:* Initializes `sb` from `buf` and `allocator`. Initializes the
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base class with `basic_ostream<charT, traits>(addressof(sb))`.
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[*Note 1*: The member functions of the provided stream buffer
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called from `emit()` while a lock is held
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-
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*Ensures:* `get_wrapped() == buf` is `true`.
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``` cpp
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basic_osyncstream(basic_osyncstream&& other) noexcept;
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@@ -95,20 +95,22 @@ basic_osyncstream(basic_osyncstream&& other) noexcept;
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*Effects:* Move constructs the base class and `sb` from the
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corresponding subobjects of `other`, and calls
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`basic_ostream<charT, traits>::set_rdbuf(addressof(sb))`.
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*Ensures:* The value returned by `get_wrapped()` is the value returned
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by `
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`nullptr == other.get_wrapped()` is `true`.
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#### Member functions <a id="syncstream.osyncstream.members">[[syncstream.osyncstream.members]]</a>
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``` cpp
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void emit();
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```
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*Effects:*
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`setstate(ios_base::badbit)`.
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[*Example 1*:
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A flush on a `basic_osyncstream` does not flush immediately:
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: basic_osyncstream(os, Allocator()) {}
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basic_osyncstream(basic_osyncstream&&) noexcept;
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~basic_osyncstream();
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// assignment
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+
basic_osyncstream& operator=(basic_osyncstream&&);
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// [syncstream.osyncstream.members], member functions
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void emit();
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streambuf_type* get_wrapped() const noexcept;
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syncbuf_type* rdbuf() const noexcept { return const_cast<syncbuf_type*>(addressof(sb)); }
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syncbuf_type sb; // exposition only
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};
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}
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```
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+
`Allocator` shall meet the *Cpp17Allocator* requirements
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[[allocator.requirements.general]].
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[*Example 1*:
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A named variable can be used within a block statement for streaming.
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```
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*Effects:* Initializes `sb` from `buf` and `allocator`. Initializes the
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base class with `basic_ostream<charT, traits>(addressof(sb))`.
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+
[*Note 1*: The member functions of the provided stream buffer can be
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called from `emit()` while a lock is held, which might result in a
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deadlock if used incautiously. — *end note*]
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*Ensures:* `get_wrapped() == buf` is `true`.
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``` cpp
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basic_osyncstream(basic_osyncstream&& other) noexcept;
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*Effects:* Move constructs the base class and `sb` from the
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corresponding subobjects of `other`, and calls
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`basic_ostream<charT, traits>::set_rdbuf(addressof(sb))`.
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*Ensures:* The value returned by `get_wrapped()` is the value returned
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by `other.get_wrapped()` prior to calling this constructor.
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`nullptr == other.get_wrapped()` is `true`.
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#### Member functions <a id="syncstream.osyncstream.members">[[syncstream.osyncstream.members]]</a>
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``` cpp
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void emit();
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```
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*Effects:* Behaves as an unformatted output
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function [[ostream.unformatted]]. After constructing a `sentry` object,
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calls `sb.emit()`. If that call returns `false`, calls
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`setstate(ios_base::badbit)`.
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[*Example 1*:
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A flush on a `basic_osyncstream` does not flush immediately:
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