tmp/tmpexe2zs3c/{from.md → to.md}
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| 1 |
+
##### `path` modifiers <a id="fs.path.modifiers">[[fs.path.modifiers]]</a>
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| 2 |
+
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| 3 |
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``` cpp
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| 4 |
+
void clear() noexcept;
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| 5 |
+
```
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| 6 |
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| 7 |
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*Postconditions:* `empty() == true`.
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``` cpp
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path& make_preferred();
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```
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*Effects:* Each *directory-separator* of the pathname in the generic
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format is converted to *preferred-separator*.
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| 15 |
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*Returns:* `*this`.
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[*Example 3*:
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``` cpp
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path p("foo/bar");
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std::cout << p << '\n';
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p.make_preferred();
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std::cout << p << '\n';
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```
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+
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+
On an operating system where *preferred-separator* is a slash, the
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output is:
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``` cpp
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"foo/bar"
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"foo/bar"
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| 33 |
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```
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| 34 |
+
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| 35 |
+
On an operating system where *preferred-separator* is a backslash, the
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output is:
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| 37 |
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| 38 |
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``` cpp
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"foo/bar"
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"foo\bar"
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```
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— *end example*]
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``` cpp
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path& remove_filename();
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| 47 |
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```
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| 48 |
+
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| 49 |
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*Postconditions:* `!has_filename()`.
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| 50 |
+
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| 51 |
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*Effects:* Remove the generic format pathname of `filename()` from the
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generic format pathname.
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| 53 |
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| 54 |
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*Returns:* `*this`.
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| 55 |
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[*Example 4*:
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| 57 |
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| 58 |
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``` cpp
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| 59 |
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path("foo/bar").remove_filename(); // yields "foo/"
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| 60 |
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path("foo/").remove_filename(); // yields "foo/"
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| 61 |
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path("/foo").remove_filename(); // yields "/"
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| 62 |
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path("/").remove_filename(); // yields "/"
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| 63 |
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```
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— *end example*]
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| 66 |
+
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| 67 |
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``` cpp
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| 68 |
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path& replace_filename(const path& replacement);
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| 69 |
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```
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| 70 |
+
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| 71 |
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*Effects:* Equivalent to:
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| 72 |
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| 73 |
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``` cpp
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| 74 |
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remove_filename();
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| 75 |
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operator/=(replacement);
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| 76 |
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```
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| 77 |
+
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| 78 |
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*Returns:* `*this`.
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| 79 |
+
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| 80 |
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[*Example 5*:
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| 81 |
+
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| 82 |
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``` cpp
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| 83 |
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path("/foo").replace_filename("bar"); // yields "/bar" on POSIX
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| 84 |
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path("/").replace_filename("bar"); // yields "/bar" on POSIX
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| 85 |
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```
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| 86 |
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| 87 |
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— *end example*]
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| 88 |
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| 89 |
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``` cpp
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| 90 |
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path& replace_extension(const path& replacement = path());
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| 91 |
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```
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| 92 |
+
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| 93 |
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*Effects:*
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| 94 |
+
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| 95 |
+
- Any existing `extension()(` [[fs.path.decompose]]`)` is removed from
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| 96 |
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the pathname in the generic format, then
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| 97 |
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- If `replacement` is not empty and does not begin with a dot character,
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| 98 |
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a dot character is appended to the pathname in the generic format,
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| 99 |
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then
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| 100 |
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- `operator+=(replacement);`.
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| 101 |
+
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| 102 |
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*Returns:* `*this`.
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| 103 |
+
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| 104 |
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``` cpp
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| 105 |
+
void swap(path& rhs) noexcept;
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| 106 |
+
```
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| 107 |
+
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| 108 |
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*Effects:* Swaps the contents (in all formats) of the two paths.
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| 109 |
+
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| 110 |
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*Complexity:* Constant time.
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| 111 |
+
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