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align the tutorial with the renaming of SortInterface.

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fix a bug in makehtml - was deleting the output!

R=rsc
DELTA=11  (2 added, 0 deleted, 9 changed)
OCL=35672
CL=35674
This commit is contained in:
Rob Pike 2009-10-13 13:05:42 -07:00
parent 8acb8fb780
commit 400fa1c893
3 changed files with 14 additions and 12 deletions
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14
doc/go_tutorial.html
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@ -22,7 +22,7 @@ key features of the language. All the programs work (at time of writing) and ar
checked in at
<p>
<pre>
/doc/progs
//depot2/go/doc/progs
</pre>
Program snippets are annotated with the line number in the original file; for
@ -162,7 +162,7 @@ or we could go even shorter and write the idiom
</pre>
The <code>:=</code> operator is used a lot in Go to represent an initializing declaration.
(For those who know Limbo, its <code>:=</code> construct is the same, but notice
(For those who know Sawzall, its <code>:=</code> construct is the same, but notice
that Go has no colon after the name in a full <code>var</code> declaration.
Also, for simplicity of parsing, <code>:=</code> only works inside functions, not at
the top level.)
@ -368,7 +368,7 @@ declaring an uninitialized variable and taking its address.
<p>
Although integers come in lots of sizes in Go, integer constants do not.
There are no constants like <code>0ll</code> or <code>0x0UL</code>. Instead, integer
constants are evaluated as ideal, large-precision values that
constants are evaluated as large-precision values that
can overflow only when they are assigned to an integer variable with
too little precision to represent the value.
<p>
@ -798,7 +798,7 @@ same interface variable.
As an example, consider this simple sort algorithm taken from <code>progs/sort.go</code>:
<p>
<pre> <!-- progs/sort.go /func.Sort/ /^}/ -->
09 func Sort(data SortInterface) {
09 func Sort(data Interface) {
10 for i := 1; i &lt; data.Len(); i++ {
11 for j := i; j &gt; 0 &amp;&amp; data.Less(j, j-1); j-- {
12 data.Swap(j, j-1);
@ -807,10 +807,10 @@ As an example, consider this simple sort algorithm taken from <code>progs/sort.g
15 }
</pre>
<p>
The code needs only three methods, which we wrap into <code>SortInterface</code>:
The code needs only three methods, which we wrap into sort's <code>Interface</code>:
<p>
<pre> <!-- progs/sort.go /interface/ /^}/ -->
03 type SortInterface interface {
03 type Interface interface {
04 Len() int;
05 Less(i, j int) bool;
06 Swap(i, j int);
@ -1350,3 +1350,5 @@ at the end of main:
There's a lot more to Go programming and concurrent programming in general but this
quick tour should give you some of the basics.
</table>
</body>
</html>

6
doc/go_tutorial.txt
View File

@ -16,7 +16,7 @@ The presentation proceeds through a series of modest programs to illustrate
key features of the language. All the programs work (at time of writing) and are
checked in at
/doc/progs
//depot2/go/doc/progs
Program snippets are annotated with the line number in the original file; for
cleanliness, blank lines remain blank.
@ -110,7 +110,7 @@ or we could go even shorter and write the idiom
s := "";
The ":=" operator is used a lot in Go to represent an initializing declaration.
(For those who know Limbo, its ":=" construct is the same, but notice
(For those who know Sawzall, its ":=" construct is the same, but notice
that Go has no colon after the name in a full "var" declaration.
Also, for simplicity of parsing, ":=" only works inside functions, not at
the top level.)
@ -524,7 +524,7 @@ As an example, consider this simple sort algorithm taken from "progs/sort.go":
--PROG progs/sort.go /func.Sort/ /^}/
The code needs only three methods, which we wrap into "SortInterface":
The code needs only three methods, which we wrap into sort's "Interface":
--PROG progs/sort.go /interface/ /^}/

6
doc/progs/sort.go
View File

@ -4,13 +4,13 @@
package sort
type SortInterface interface {
type Interface interface {
Len() int;
Less(i, j int) bool;
Swap(i, j int);
}
func Sort(data SortInterface) {
func Sort(data Interface) {
for i := 1; i < data.Len(); i++ {
for j := i; j > 0 && data.Less(j, j-1); j-- {
data.Swap(j, j-1);
@ -18,7 +18,7 @@ func Sort(data SortInterface) {
}
}
func IsSorted(data SortInterface) bool {
func IsSorted(data Interface) bool {
n := data.Len();
for i := n - 1; i > 0; i-- {
if data.Less(i, i - 1) {