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| author | Rob Pike <r@golang.org> | 2010-07-14 13:29:12 -0700 |
|---|---|---|
| committer | Rob Pike <r@golang.org> | 2010-07-14 13:29:12 -0700 |
| commit | 708d7160fa84ee79924fc7cf0bc29acb03406e6f (patch) | |
| tree | a2effb404febfe7f1e76bca91456f9d91ca2aa1d | |
| parent | 47b835e4a8e1b4792eb3698d78751fe213336690 (diff) | |
| download | go-708d7160fa84ee79924fc7cf0bc29acb03406e6f.tar.gz go-708d7160fa84ee79924fc7cf0bc29acb03406e6f.zip | |
tutorial: show how to compile helloworld3, which depends on ./file
make shell prompts consistent
R=rsc
CC=golang-dev
https://golang.org/cl/1824042
| -rw-r--r-- | doc/go_tutorial.html | 26 | ||||
| -rw-r--r-- | doc/go_tutorial.txt | 20 |
2 files changed, 27 insertions, 19 deletions
diff --git a/doc/go_tutorial.html b/doc/go_tutorial.html index b16f320178..4c91a54242 100644 --- a/doc/go_tutorial.html +++ b/doc/go_tutorial.html @@ -650,20 +650,22 @@ We can now use our new package: 21 } </pre> <p> -The ''<code>./</code>'' in the import of ''<code>./file</code>'' tells the -compiler to use the ''<code>file</code>'' package in the current directory -rather than something from the directory of installed packages. -</p> +The ''<code>./</code>'' in the import of ''<code>./file</code>'' tells the compiler +to use our own package rather than +something from the directory of installed packages. +(Also, ''<code>file.go</code>'' must be compiled before we can import the +package.) <p> -You must compile ''<code>file.go</code>'' before any package that imports it. -<p> -Finally we can run the program: +Now we can compile and run the program: <p> <pre> - % helloworld3 + $ 6g file.go # compile file package + $ 6g helloworld3.go # compile main package + $ 6l -o helloworld3 helloworld3.6 # link - no need to mention "file" + $ helloworld3 hello, world can't open file; err=No such file or directory - % + $ </pre> <p> <h2>Rotting cats</h2> @@ -827,11 +829,11 @@ even though under the covers it holds a pointer to a <code>struct</code>. Here it is in action: <p> <pre> - % echo abcdefghijklmnopqrstuvwxyz | ./cat + $ echo abcdefghijklmnopqrstuvwxyz | ./cat abcdefghijklmnopqrstuvwxyz - % echo abcdefghijklmnopqrstuvwxyz | ./cat --rot13 + $ echo abcdefghijklmnopqrstuvwxyz | ./cat --rot13 nopqrstuvwxyzabcdefghijklm - % + $ </pre> <p> Fans of dependency injection may take cheer from how easily interfaces diff --git a/doc/go_tutorial.txt b/doc/go_tutorial.txt index 6ab6094c02..bcea0db2b5 100644 --- a/doc/go_tutorial.txt +++ b/doc/go_tutorial.txt @@ -471,15 +471,21 @@ We can now use our new package: --PROG progs/helloworld3.go /package/ END -The ''"./"'' in the import of ''"./file"'' tells the compiler to use our own package rather than +The ''"./"'' in the import of ''"./file"'' tells the compiler +to use our own package rather than something from the directory of installed packages. +(Also, ''"file.go"'' must be compiled before we can import the +package.) -Finally we can run the program: +Now we can compile and run the program: - % helloworld3 + $ 6g file.go # compile file package + $ 6g helloworld3.go # compile main package + $ 6l -o helloworld3 helloworld3.6 # link - no need to mention "file" + $ helloworld3 hello, world can't open file; err=No such file or directory - % + $ Rotting cats ---- @@ -549,11 +555,11 @@ even though under the covers it holds a pointer to a "struct". Here it is in action: <pre> - % echo abcdefghijklmnopqrstuvwxyz | ./cat + $ echo abcdefghijklmnopqrstuvwxyz | ./cat abcdefghijklmnopqrstuvwxyz - % echo abcdefghijklmnopqrstuvwxyz | ./cat --rot13 + $ echo abcdefghijklmnopqrstuvwxyz | ./cat --rot13 nopqrstuvwxyzabcdefghijklm - % + $ </pre> Fans of dependency injection may take cheer from how easily interfaces |