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Parameter/Variable names for for_rev and map extended.

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This commit is contained in:
Ryan Scheel 2012-07-08 13:58:37 -07:00
parent e4a3b9ac69
commit 552c164a46
1 changed files with 7 additions and 7 deletions
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14
doc/tutorial.md
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@ -1971,18 +1971,18 @@ they apply to. Thus, Rust allows functions and datatypes to have type
parameters.
~~~~
fn for_rev<T>(v: ~[T], act: fn(T)) {
let mut i = vec::len(v);
fn for_rev<T>(vector: ~[T], action fn(T)) {
let mut i = vec::len(vector);
while i > 0u {
i -= 1u;
act(v[i]);
action(vector[i]);
}
}
fn map<T, U>(v: ~[T], f: fn(T) -> U) -> ~[U] {
let mut acc = ~[];
for v.each |elt| { vec::push(acc, f(elt)); }
ret acc;
fn map<T, U>(vector: ~[T], function :fn(T) -> U) -> ~[U] {
let mut accumulator = ~[];
for vector.each |elt| { vec::push(accumulator, function(elt)); }
ret accumulator;
}
~~~~