Make Debug include the - in -0.0 #24379
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alexcrichton
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Fixes rust-lang#20596 by making `Debug` render negative zero with a `-` without affecting the behavior of `Display`. While I was at it, I also removed some dead code from `float_to_str_bytes_common` (the one from `libcore/fmt/float.rs`, not the function of the same name in `libstd/num/strconv.rs`). It had support for different bases, and for negative numbers, but the function is internal to core and the couple places that call it (all in `libcore/fmt/mod.rs`) never use those features: They pass in `num.abs()` and base 10.
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Fixes #20596 by making
Debugrender negative zero with a-without affecting the behavior ofDisplay.While I was at it, I also removed some dead code from
float_to_str_bytes_common(the one fromlibcore/fmt/float.rs, not the function of the same name inlibstd/num/strconv.rs). It had support for different bases, and for negative numbers, but the function is internal to core and the couple places that call it (all inlibcore/fmt/mod.rs) never use those features: They pass innum.abs()and base 10.