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Remove a useless method

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This commit is contained in:
mcarton 2016-10-02 02:47:23 +02:00
parent e50cfa7e77
commit f03bac6c3a
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1 changed files with 4 additions and 15 deletions
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19
clippy_lints/src/consts.rs
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@ -54,27 +54,16 @@ pub enum Constant {
}
impl Constant {
/// convert to u64 if possible
/// Convert to `u64` if possible.
///
/// # panics
///
/// if the constant could not be converted to u64 losslessly
/// If the constant could not be converted to `u64` losslessly.
fn as_u64(&self) -> u64 {
if let Constant::Int(val) = *self {
val.to_u64().expect("negative constant can't be casted to u64")
val.to_u64().expect("negative constant can't be casted to `u64`")
} else {
panic!("Could not convert a {:?} to u64", self);
}
}
/// convert this constant to a f64, if possible
#[allow(cast_precision_loss, cast_possible_wrap)]
pub fn as_float(&self) -> Option<f64> {
match *self {
Constant::Float(ref s, _) => s.parse().ok(),
Constant::Int(i) if i.is_negative() => Some(i.to_u64_unchecked() as i64 as f64),
Constant::Int(i) => Some(i.to_u64_unchecked() as f64),
_ => None,
panic!("Could not convert a `{:?}` to `u64`", self);
}
}
}