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tutorial: Minor tweak

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Brian Anderson 2012-07-06 14:52:21 -07:00
parent 82001412f2
commit ea4cd49e9f
1 changed files with 6 additions and 7 deletions
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13
doc/tutorial.md
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@ -926,13 +926,12 @@ memory. Even high-level languages frequently avoid solving this
problem, requiring programmers to correctly employ locking to unsure
their program is free of races.
Rust solves this problem by starting from the position that memory
simply cannot be shared between tasks. Experience in other languages
has proven that isolating each tasks' heap from each other is
a reliable strategy and one that is easy for programmers to reason
about. Having isolated heaps additionally means that garbage collection
must only be done per-heap. Rust never 'stops the world' to garbage
collect memory.
Rust starts from the position that memory simply cannot be shared
between tasks. Experience in other languages has proven that isolating
each tasks' heap from each other is a reliable strategy and one that
is easy for programmers to reason about. Having isolated heaps
additionally means that garbage collection must only be done
per-heap. Rust never 'stops the world' to garbage collect memory.
If Rust tasks have completely isolated heaps then that seems to imply
that any data transferred between them must be copied. While this