Add discriminant to Dynamic::hash.
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c919ee4e46
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fbe9425794
@ -22,6 +22,7 @@ use crate::stdlib::{
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boxed::Box,
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fmt,
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hash::{Hash, Hasher},
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mem,
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ops::{Deref, DerefMut},
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string::{String, ToString},
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};
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@ -360,6 +361,8 @@ impl Dynamic {
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impl Hash for Dynamic {
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fn hash<H: Hasher>(&self, state: &mut H) {
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mem::discriminant(self).hash(state);
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match &self.0 {
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Union::Unit(_) => ().hash(state),
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Union::Bool(value) => value.hash(state),
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@ -367,20 +370,17 @@ impl Hash for Dynamic {
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Union::Char(ch) => ch.hash(state),
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Union::Int(i) => i.hash(state),
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#[cfg(not(feature = "no_float"))]
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Union::Float(f) => {
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TypeId::of::<FLOAT>().hash(state);
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state.write(&f.to_le_bytes());
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}
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Union::Float(f) => f.to_le_bytes().hash(state),
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#[cfg(not(feature = "no_index"))]
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Union::Array(a) => a.hash(state),
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Union::Array(a) => (**a).hash(state),
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#[cfg(not(feature = "no_object"))]
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Union::Map(m) => {
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let mut buf: StaticVec<_> = m.keys().collect();
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buf.sort();
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let mut buf: StaticVec<_> = m.iter().collect();
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buf.sort_by(|(a, _), (b, _)| a.cmp(b));
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buf.into_iter().for_each(|key| {
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buf.into_iter().for_each(|(key, value)| {
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key.hash(state);
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m[key].hash(state);
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value.hash(state);
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})
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}
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