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'iff' for docs to 'if and only if'

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Esption 2015-07-08 21:17:13 -05:00
parent 492f33a267
commit dad8cd19d3
17 changed files with 25 additions and 25 deletions
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6
src/librustc/middle/ty.rs
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@ -509,9 +509,9 @@ pub struct ItemVariances {
#[derive(Clone, PartialEq, RustcDecodable, RustcEncodable, Copy)]
pub enum Variance {
Covariant, // T<A> <: T<B> if A <: B -- e.g., function return type
Invariant, // T<A> <: T<B> if B == A -- e.g., type of mutable cell
Contravariant, // T<A> <: T<B> if B <: A -- e.g., function param type
Covariant, // T<A> <: T<B> iff A <: B -- e.g., function return type
Invariant, // T<A> <: T<B> iff B == A -- e.g., type of mutable cell
Contravariant, // T<A> <: T<B> iff B <: A -- e.g., function param type
Bivariant, // T<A> <: T<B> -- e.g., unused type parameter
}

4
src/librustc/util/common.rs
View file

@ -145,7 +145,7 @@ impl<'v, P> Visitor<'v> for LoopQueryVisitor<P> where P: FnMut(&ast::Expr_) -> b
}
}
// Takes a predicate p, returns true if p is true for any subexpressions
// Takes a predicate p, returns true iff p is true for any subexpressions
// of b -- skipping any inner loops (loop, while, loop_body)
pub fn loop_query<P>(b: &ast::Block, p: P) -> bool where P: FnMut(&ast::Expr_) -> bool {
let mut v = LoopQueryVisitor {
@ -168,7 +168,7 @@ impl<'v, P> Visitor<'v> for BlockQueryVisitor<P> where P: FnMut(&ast::Expr) -> b
}
}
// Takes a predicate p, returns true if p is true for any subexpressions
// Takes a predicate p, returns true iff p is true for any subexpressions
// of b -- skipping any inner loops (loop, while, loop_body)
pub fn block_query<P>(b: &ast::Block, p: P) -> bool where P: FnMut(&ast::Expr) -> bool {
let mut v = BlockQueryVisitor {