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Fix typo (#238) 

"is is" ~> "it is"
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Félix Fischer 2018-11-15 00:46:25 -03:00 committed by Who? Me?!
parent 8cf8cc3f34
commit 16da1bc2a6
1 changed files with 3 additions and 3 deletions
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6
src/traits/lowering-to-logic.md
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@ -50,7 +50,7 @@ so by applying the rules recursively:
- `Clone(Vec<Vec<usize>>)` is provable if: - `Clone(Vec<Vec<usize>>)` is provable if:
- `Clone(Vec<usize>)` is provable if: - `Clone(Vec<usize>)` is provable if:
- `Clone(usize)` is provable. (Which is is, so we're all good.) - `Clone(usize)` is provable. (Which it is, so we're all good.)
But now suppose we tried to prove that `Clone(Vec<Bar>)`. This would But now suppose we tried to prove that `Clone(Vec<Bar>)`. This would
fail (after all, I didn't give an impl of `Clone` for `Bar`): fail (after all, I didn't give an impl of `Clone` for `Bar`):
@ -130,8 +130,8 @@ Ok, so far so good. Let's move on to type-checking a more complex function.
In the last section, we used standard Prolog horn-clauses (augmented with Rust's In the last section, we used standard Prolog horn-clauses (augmented with Rust's
notion of type equality) to type-check some simple Rust functions. But that only notion of type equality) to type-check some simple Rust functions. But that only
works when we are type-checking non-generic functions. If we want to type-check works when we are type-checking non-generic functions. If we want to type-check
a generic function, it turns out we need a stronger notion of goal than Prolog a generic function, it turns out we need a stronger notion of goal than what Prolog
can be provide. To see what I'm talking about, let's revamp our previous can provide. To see what I'm talking about, let's revamp our previous
example to make `foo` generic: example to make `foo` generic:
```rust,ignore ```rust,ignore