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docs: range formatter grammar fix (#4567)

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Peter Steneteg
2025-10-07 20:34:00 +02:00
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parent b580360ab7
commit eb44d87b52
1 changed files with 3 additions and 1 deletions
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doc/syntax.md
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@@ -718,7 +718,7 @@ These modifiers are only supported for the `'H'`, `'I'`, `'M'`, `'S'`, `'U'`,
Format specifications for range types have the following syntax:
<pre><code class="language-json"
>range_format_spec ::= ["n"][range_type][range_underlying_spec]</code>
>range_format_spec ::= ["n"][range_type][":" range_underlying_spec]</code>
</pre>
The `'n'` option formats the range without the opening and closing brackets.
@@ -761,6 +761,8 @@ fmt::print("{::}", std::vector{'h', 'e', 'l', 'l', 'o'});
// Output: [h, e, l, l, o]
fmt::print("{::d}", std::vector{'h', 'e', 'l', 'l', 'o'});
// Output: [104, 101, 108, 108, 111]
fmt::print("{:n:f}", std::array{std::numbers::pi, std::numbers::e});
// Output: 3.141593, 2.718282
```
## Format Examples