sp-im 0.3.0

Immutable datatypes for no_std use within Substrate
Documentation 
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use crate::{
  HashMap,
  HashSet,
  OrdMap,
  OrdSet,
  Vector,
};
use ::quickcheck::{
  Arbitrary,
  Gen,
};
use core::{
  hash::{
    BuildHasher,
    Hash,
  },
  iter::FromIterator,
};

impl<A: Arbitrary + Sync + Clone> Arbitrary for Vector<A> {
  fn arbitrary<G: Gen>(g: &mut G) -> Self {
    Vector::from_iter(Vec::<A>::arbitrary(g))
  }
}

impl<K: Ord + Clone + Arbitrary + Sync, V: Clone + Arbitrary + Sync> Arbitrary
  for OrdMap<K, V>
{
  fn arbitrary<G: Gen>(g: &mut G) -> Self {
    OrdMap::from_iter(Vec::<(K, V)>::arbitrary(g))
  }
}

impl<A: Ord + Clone + Arbitrary + Sync> Arbitrary for OrdSet<A> {
  fn arbitrary<G: Gen>(g: &mut G) -> Self {
    OrdSet::from_iter(Vec::<A>::arbitrary(g))
  }
}

impl<A, S> Arbitrary for HashSet<A, S>
where
  A: Hash + Eq + Arbitrary + Sync,
  S: BuildHasher + Default + Send + Sync + 'static,
{
  fn arbitrary<G: Gen>(g: &mut G) -> Self {
    HashSet::from_iter(Vec::<A>::arbitrary(g))
  }
}

impl<K, V, S> Arbitrary for HashMap<K, V, S>
where
  K: Hash + Eq + Arbitrary + Sync,
  V: Arbitrary + Sync,
  S: BuildHasher + Default + Send + Sync + 'static,
{
  fn arbitrary<G: Gen>(g: &mut G) -> Self {
    HashMap::from(Vec::<(K, V)>::arbitrary(g))
  }
}