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yaml --- r: 32399 b: refs/heads/dist-snap c: 1c9c327 h: refs/heads/master i: 32397: 1b44dac 32395: 43830ab 32391: 40a4c0b 32383: ebe5b0e v: v3
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[refs]

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branches/dist-snap/doc/tutorial.md

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@@ -1214,32 +1214,6 @@ let your_crayons = ~[banana_mania, beaver, bittersweet];
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my_crayons += your_crayons;
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~~~~
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## Strings
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The `~str` type in Rust is represented exactly the same way as a unique
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vector of immutable bytes (`~[u8]`). This sequence of bytes is
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interpreted as an UTF-8 encoded sequence of characters. This has the
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advantage that UTF-8 encoded I/O (which should really be the default
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for modern systems) is very fast, and that strings have, for most
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intents and purposes, a nicely compact representation. It has the
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disadvantage that you only get constant-time access by byte, not by
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character.
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~~~~
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let huh = ~"what?";
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let que: u8 = huh[4]; // indexing a string returns a `u8`
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assert que == '?' as u8;
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~~~~
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A lot of algorithms don't need constant-time indexed access (they
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iterate over all characters, which `str::chars` helps with), and
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for those that do, many don't need actual characters, and can operate
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on bytes. For algorithms that do really need to index by character,
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there are core library functions available.
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> ***Note:*** like vectors, strings will soon be allocatable in
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> the local heap and on the stack, in addition to the exchange heap.
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## Vector and string methods
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Both vectors and strings support a number of useful

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