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Mention what iterator terminators do with an empty iterator #29539

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Nov 5, 2015
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Mention what iterator terminators do with an empty iterator #29539

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8 changes: 8 additions & 0 deletions src/libcore/iter.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1565,6 +1565,8 @@ pub trait Iterator {
/// as soon as it finds a `false`, given that no matter what else happens,
/// the result will also be `false`.
///
/// An empty iterator returns `true`.
///
/// # Examples
///
/// Basic usage:
Expand Down Expand Up @@ -1613,6 +1615,8 @@ pub trait Iterator {
/// as soon as it finds a `true`, given that no matter what else happens,
/// the result will also be `true`.
///
/// An empty iterator returns `false`.
///
/// # Examples
///
/// Basic usage:
Expand Down Expand Up @@ -2071,6 +2075,8 @@ pub trait Iterator {
///
/// Takes each element, adds them together, and returns the result.
///
/// An empty iterator returns the zero value of the type.
///
/// # Examples
///
/// Basic usage:
Expand All @@ -2094,6 +2100,8 @@ pub trait Iterator {

/// Iterates over the entire iterator, multiplying all the elements
///
/// An empty iterator returns the one value of the type.
///
/// # Examples
///
/// ```
Expand Down