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19aac099
编写于
1月 30, 2018
作者:
K
kennytm
提交者:
GitHub
1月 30, 2018
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Rollup merge of #47515 - jimmantooth:patch-1, r=QuietMisdreavus
Punctuation and clarity fixes.
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90eb44a5
c2e26121
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src/doc/unstable-book/src/language-features/generators.md
src/doc/unstable-book/src/language-features/generators.md
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src/doc/unstable-book/src/language-features/generators.md
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19aac099
...
...
@@ -139,11 +139,11 @@ closure-like semantics. Namely:
types and such.
*
Traits like
`Send`
and
`Sync`
are automatically implemented for a
`Generator`
depending on the captured variables of the environment. Unlike closures
though
depending on the captured variables of the environment. Unlike closures
,
generators also depend on variables live across suspension points. This means
that although the ambient environment may be
`Send`
or
`Sync`
, the generator
itself may not be due to internal variables live across
`yield`
points being
not-
`Send`
or not-
`Sync`
. Note
, though,
that generators, like closures, do
not-
`Send`
or not-
`Sync`
. Note that generators, like closures, do
not implement traits like
`Copy`
or
`Clone`
automatically.
*
Whenever a generator is dropped it will drop all captured environment
...
...
@@ -155,7 +155,7 @@ lifted at a future date, the design is ongoing!
### Generators as state machines
In the compiler generators are currently compiled as state machines. Each
In the compiler
,
generators are currently compiled as state machines. Each
`yield`
expression will correspond to a different state that stores all live
variables over that suspension point. Resumption of a generator will dispatch on
the current state and then execute internally until a
`yield`
is reached, at
...
...
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