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Rollup merge of rust-lang#40030 - matklad:stack-docs, r=alexcrichton
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Clarify thread::Builder::stack_size docs

Add two pieces of information:

* the size is in bytes
* the actual stack size might be bigger.

Also change the example to use a more realistic value of 32 kilobytes.

r? @steveklabnik
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frewsxcv authored Feb 24, 2017
2 parents 8f4f474 + 689dc26 commit 26643dd
Showing 1 changed file with 6 additions and 3 deletions.
9 changes: 6 additions & 3 deletions src/libstd/thread/mod.rs
Original file line number Diff line number Diff line change
Expand Up @@ -235,7 +235,7 @@ pub use self::local::{LocalKey, LocalKeyState};
pub struct Builder {
// A name for the thread-to-be, for identification in panic messages
name: Option<String>,
// The size of the stack for the spawned thread
// The size of the stack for the spawned thread in bytes
stack_size: Option<usize>,
}

Expand Down Expand Up @@ -289,14 +289,17 @@ impl Builder {
self
}

/// Sets the size of the stack for the new thread.
/// Sets the size of the stack (in bytes) for the new thread.
///
/// The actual stack size may be greater than this value if
/// the platform specifies minimal stack size.
///
/// # Examples
///
/// ```
/// use std::thread;
///
/// let builder = thread::Builder::new().stack_size(10);
/// let builder = thread::Builder::new().stack_size(32 * 1024);
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub fn stack_size(mut self, size: usize) -> Builder {
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