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Add documentation for '%' format type. #1071

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Mar 6, 2019
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Add documentation for '%' format type. #1071

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0e3e029
Add documentation for '%' format type.
gawain-bolton Mar 6, 2019
f812f29
Add newline as requested.
gawain-bolton Mar 6, 2019
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11 changes: 10 additions & 1 deletion doc/syntax.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -264,6 +264,10 @@ The available presentation types for floating-point values are:
| | ``'E'`` if the number gets too large. The |
| | representations of infinity and NaN are uppercased, too. |
+---------+----------------------------------------------------------+
| ``'%'`` | Fixed point as a percentage. This is similar to ``'f'``, |
| | but the argument is multiplied by 100 and a percent sign |
| | ``%`` is appended. |
+---------+----------------------------------------------------------+
| none | The same as ``'g'``. |
+---------+----------------------------------------------------------+

Expand Down Expand Up @@ -357,6 +361,12 @@ Replacing ``%+f``, ``%-f``, and ``% f`` and specifying a sign::
format("{:-f}; {:-f}", 3.14, -3.14); // show only the minus -- same as '{:f}; {:f}'
// Result: "3.140000; -3.140000"

As a percentage::
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@vitaut vitaut Mar 6, 2019 •
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You probably need a newline after '::'.

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Ok

format("{0:f} or {0:%}", .635);
// Result: "0.635000 or 63.500000%"
format("{:*^{}.{}%}", 1., 15, 2); // With fill, dynamic width and dynamic precision.
// Result: "****100.00%****"

Replacing ``%x`` and ``%o`` and converting the value to different bases::

format("int: {0:d}; hex: {0:x}; oct: {0:o}; bin: {0:b}", 42);
Expand Down Expand Up @@ -412,4 +422,3 @@ Padded hex byte with prefix and always prints both hex characters::
9 9 11 1001
10 A 12 1010
11 B 13 1011