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Variable Names for for_rev and map in Tutorial #2843

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Merged
merged 3 commits into from
Jul 8, 2012
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Variable Names for for_rev and map in Tutorial #2843

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552c164
Parameter/Variable names for for_rev and map extended.
Havvy Jul 8, 2012
7e5b64b
elt -> element
Havvy Jul 8, 2012
fb7f0a4
It's hard to type when the cursor is not where you are actually typing.
Havvy Jul 8, 2012
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14 changes: 7 additions & 7 deletions doc/tutorial.md
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Original file line number Diff line number Diff line change
Expand Up @@ -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 |element| { vec::push(accumulator, function(element)); }
ret accumulator;
}
~~~~

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