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Specialize creating Relations from Vecs #10

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Specialize creating Relations from Vecs #10

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9 changes: 8 additions & 1 deletion src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
//! normal Rust program, run to completion, and then the results extracted as
//! vectors again.

#![feature(specialization)]
#![forbid(missing_docs)]

use std::rc::Rc;
Expand Down Expand Up @@ -92,11 +93,17 @@ impl<Tuple: Ord> Relation<Tuple> {
}

impl<Tuple: Ord, I: IntoIterator<Item=Tuple>> From<I> for Relation<Tuple> {
fn from(iterator: I) -> Self {
default fn from(iterator: I) -> Self {
Relation::from_vec(iterator.into_iter().collect())
}
}

impl<Tuple: Ord> From<Vec<Tuple>> for Relation<Tuple> {
fn from(v: Vec<Tuple>) -> Self {
Relation::from_vec(v)
}
}

impl<Tuple: Ord> std::ops::Deref for Relation<Tuple> {
type Target = [Tuple];
fn deref(&self) -> &Self::Target {
Expand Down