code review 116090043: go-tour: add Type Inference and Zero Values slides

go-tour: add Type Inference and Zero Values slides

Also check off a couple of finished things from the TODO list.

[adg, 2014-07-22 04:44:40]

Hello golang-codereviews@googlegroups.com,

I'd like you to review this change to
https://code.google.com/p/go-tour

[adg, 2014-07-29 01:10:11]

Hello campoy, golang-codereviews@googlegroups.com (cc:
golang-codereviews@googlegroups.com),

Please take another look.

[campoy, 2014-07-29 22:15:10]

PTAL

https://codereview.appspot.com/116090043/diff/80001/content/basics.article
File content/basics.article (right):

https://codereview.appspot.com/116090043/diff/80001/content/basics.article#ne...
content/basics.article:150: The zero value for numeric types is `0`.
The zero values is:

- `0` for numeric types,
- `false` for booleans, and
- `""` (empty string) for strings.

https://codereview.appspot.com/116090043/diff/80001/content/basics.article#ne...
content/basics.article:180: When declaring a variable specifying its type (using
`var` without a type or the `:=` syntax), the variable's type is _inferred_ by
the value on the right hand side.
missing "without"

https://codereview.appspot.com/116090043/diff/80001/content/basics.article#ne...
content/basics.article:180: When declaring a variable specifying its type (using
`var` without a type or the `:=` syntax), the variable's type is _inferred_ by
the value on the right hand side.
s/by the value/from the value/

the type is deferred by the compiler.

https://codereview.appspot.com/116090043/diff/80001/content/basics/zero.go
File content/basics/zero.go (right):

https://codereview.appspot.com/116090043/diff/80001/content/basics/zero.go#ne...
content/basics/zero.go:10: fmt.Printf("%v %v %v %q", i, f, b, s)
fmt.Println(i, f, b, s)

[adg, 2014-07-29 23:14:13]

PTAL

https://codereview.appspot.com/116090043/diff/80001/content/basics.article
File content/basics.article (right):

https://codereview.appspot.com/116090043/diff/80001/content/basics.article#ne...
content/basics.article:150: The zero value for numeric types is `0`.
On 2014/07/29 22:15:10, campoy wrote:
> The zero values is:
> 
> - `0` for numeric types,
> - `false` for booleans, and
> - `""` (empty string) for strings.

Done.

https://codereview.appspot.com/116090043/diff/80001/content/basics.article#ne...
content/basics.article:180: When declaring a variable specifying its type (using
`var` without a type or the `:=` syntax), the variable's type is _inferred_ by
the value on the right hand side.
On 2014/07/29 22:15:10, campoy wrote:
> missing "without"

Done.

https://codereview.appspot.com/116090043/diff/80001/content/basics.article#ne...
content/basics.article:180: When declaring a variable specifying its type (using
`var` without a type or the `:=` syntax), the variable's type is _inferred_ by
the value on the right hand side.
On 2014/07/29 22:15:10, campoy wrote:
> s/by the value/from the value/
> 
> the type is deferred by the compiler.

Done.

https://codereview.appspot.com/116090043/diff/80001/content/basics/zero.go
File content/basics/zero.go (right):

https://codereview.appspot.com/116090043/diff/80001/content/basics/zero.go#ne...
content/basics/zero.go:10: fmt.Printf("%v %v %v %q", i, f, b, s)
On 2014/07/29 22:15:10, campoy wrote:
> fmt.Println(i, f, b, s)

Done, although I wanted to show the quoted string to prove it is an empty
string.

[campoy, 2014-07-30 00:43:10]

LGTM

https://codereview.appspot.com/116090043/diff/80001/content/basics/zero.go
File content/basics/zero.go (right):

https://codereview.appspot.com/116090043/diff/80001/content/basics/zero.go#ne...
content/basics/zero.go:10: fmt.Printf("%v %v %v %q", i, f, b, s)
On 2014/07/29 23:14:13, adg wrote:
> On 2014/07/29 22:15:10, campoy wrote:
> > fmt.Println(i, f, b, s)
> 
> Done, although I wanted to show the quoted string to prove it is an empty
> string.

I didn't notice that, feel free to go back to printf

[adg, 2014-07-30 00:48:46]

*** Submitted as https://code.google.com/p/go-tour/source/detail?r=0e09afd42b11
***

go-tour: add Type Inference and Zero Values slides

Also check off a couple of finished things from the TODO list.

LGTM=campoy
R=campoy, golang-codereviews
CC=golang-codereviews
https://codereview.appspot.com/116090043

https://codereview.appspot.com/116090043/diff/80001/content/basics/zero.go
File content/basics/zero.go (right):

https://codereview.appspot.com/116090043/diff/80001/content/basics/zero.go#ne...
content/basics/zero.go:10: fmt.Printf("%v %v %v %q", i, f, b, s)
On 2014/07/30 00:43:10, campoy wrote:
> On 2014/07/29 23:14:13, adg wrote:
> > On 2014/07/29 22:15:10, campoy wrote:
> > > fmt.Println(i, f, b, s)
> > 
> > Done, although I wanted to show the quoted string to prove it is an empty
> > string.
> 
> I didn't notice that, feel free to go back to printf

Done.