Switch to ascii uppercase function
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@ -76,6 +76,7 @@ use std::fmt;
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use std::cmp::Ordering::{self, Less, Greater, Equal};
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use std::{f32, f64};
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use std::{u8, i64, u64};
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use std::ascii::AsciiExt;
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// Some of the tests of non-RNG-based functionality are randomized using the
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// RNG-based functionality, so the RNG-based functionality needs to be enabled
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@ -250,7 +251,7 @@ impl fmt::LowerHex for BigUint {
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impl fmt::UpperHex for BigUint {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "{}", self.to_str_radix(16).to_uppercase())
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write!(f, "{}", self.to_str_radix(16).to_ascii_uppercase())
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}
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}
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