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The fast_float library provides fast header-only implementations for the C++ from_chars The fast_float library provides fast header-only implementations for the C++ from_chars
functions for `float` and `double` types. These functions convert ASCII strings representing functions for `float` and `double` types. These functions convert ASCII strings representing
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We support Visual Studio, macOS, Linux, freeBSD. We support Visual Studio, macOS, Linux, freeBSD.
## Users
This library is used by [Apache Arrow](https://github.com/apache/arrow/pull/8494) where it multiplied the number parsing speed by two or three times.
## How fast is it? ## How fast is it?