Make float parsing docs more comprehensive #94838
Merged
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I was working on some code with some specialized restrictions on float parsing. I noticed the doc comments for
f32::from_str
andf64::from_str
were missing several cases of valid inputs that are otherwise difficult to discover without looking at source code.I'm not sure if the doc comments were initially intended to contain a comprehensive description of valid inputs, but I figured it's useful to include these extra cases for reference.