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Document [0, ..8] vector syntax.

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Closes #3336
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Jesse Jones 2012-11-18 11:36:09 -08:00
parent d107e586ea
commit 67d421d62d
1 changed files with 6 additions and 2 deletions
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doc/rust.md
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@ -1547,7 +1547,9 @@ it is automatically derferenced to make the field access possible.
### Vector expressions
~~~~~~~~{.ebnf .gram}
vec_expr : '[' "mut" ? [ expr [ ',' expr ] * ] ? ']'
vec_expr : '[' "mut"? vec_elems? ']'
vec_elems : [expr [',' expr]*] | [expr ',' ".." expr]
~~~~~~~~
A [_vector_](#vector-types) _expression_ is written by enclosing zero or
@ -1557,8 +1559,10 @@ indicate that the elements of the resulting vector may be mutated.
When no mutability is specified, the vector is immutable.
~~~~
[]
[1, 2, 3, 4];
["a", "b", "c", "d"];
[0, ..128]; // vector with 128 zeros
[mut 0u8, 0u8, 0u8, 0u8];
~~~~
@ -1890,7 +1894,7 @@ let x: int = add(1, 2);
~~~~~~~~ {.abnf .gram}
ident_list : [ ident [ ',' ident ]* ] ? ;
lambda_expr : '|' ident_list '| expr ;
lambda_expr : '|' ident_list '|' expr ;
~~~~~~~~
A _lambda expression_ (a.k.a. "anonymous function expression") defines a function and denotes it as a value,