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fmt: remove space in front of ? and ! (#14366)

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Daniel Däschle
2022-05-13 05:56:21 +02:00
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42
tutorials/building_a_simple_web_blog_with_vweb/README.md
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@ -5,6 +5,7 @@ Hello,
In this guide, we'll build a simple web blog in V. In this guide, we'll build a simple web blog in V.
The benefits of using V for web: The benefits of using V for web:
- A safe, fast, language with the development agility of Python or Ruby and - A safe, fast, language with the development agility of Python or Ruby and
the performance of C. the performance of C.
- Zero dependencies: everything you need for web development comes with the language - Zero dependencies: everything you need for web development comes with the language
@ -15,11 +16,10 @@ in a 1 MB package.
is enough. is enough.
- Fast development without any boilerplate. - Fast development without any boilerplate.
*Please note that V and Vweb are at a very early stage and are changing rapidly.* _Please note that V and Vweb are at a very early stage and are changing rapidly._
The code is available <a href='https://github.com/vlang/v/tree/master/tutorials/code/blog'>here</a>. The code is available <a href='https://github.com/vlang/v/tree/master/tutorials/code/blog'>here</a>.
### Installing V ### Installing V
``` ```
@ -32,17 +32,15 @@ sudo ./v symlink
Now V should be globally available on your system. Now V should be globally available on your system.
> On macOS use `v_macos.zip`, on Windows - `v_windows.zip`. > On macOS use `v_macos.zip`, on Windows - `v_windows.zip`.
If you use a BSD system, Solaris, Android, or simply want to install V > If you use a BSD system, Solaris, Android, or simply want to install V
from source, follow the simple instructions here: > from source, follow the simple instructions here:
https://github.com/vlang/v#installing-v-from-source > https://github.com/vlang/v#installing-v-from-source
### Install SQLite development dependency ### Install SQLite development dependency
If you don't have it already installed, look at the If you don't have it already installed, look at the
[`sqlite` README](../../vlib/sqlite/README.md) for instructions. [`sqlite` README](../../vlib/sqlite/README.md) for instructions.
### Creating a new Vweb project ### Creating a new Vweb project
V projects can be created anywhere and don't need to have a certain structure: V projects can be created anywhere and don't need to have a certain structure:
@ -94,7 +92,6 @@ with an MVC web framework, you can think of it as a controller. (Vweb is
not an MVC framework however.) It embeds the vweb Context object, that's why we get access not an MVC framework however.) It embeds the vweb Context object, that's why we get access
to methods like `.text()`. to methods like `.text()`.
As you can see, there are no routing rules. The `index()` action handles the `/` request by default. As you can see, there are no routing rules. The `index()` action handles the `/` request by default.
Vweb often uses convention over configuration and adding a new action requires Vweb often uses convention over configuration and adding a new action requires
no routing rules either: no routing rules either:
@ -109,7 +106,6 @@ fn (mut app App) time() vweb.Result {
} }
``` ```
<img width=662 src="https://github.com/vlang/v/blob/master/tutorials/building_a_simple_web_blog_with_vweb/img/time.png?raw=true"> <img width=662 src="https://github.com/vlang/v/blob/master/tutorials/building_a_simple_web_blog_with_vweb/img/time.png?raw=true">
> TIP: run the following command to live-reload the server: `v watch run blog.v` > TIP: run the following command to live-reload the server: `v watch run blog.v`
@ -117,7 +113,6 @@ fn (mut app App) time() vweb.Result {
The `.text(string)` method returns a plain text document with the provided The `.text(string)` method returns a plain text document with the provided
text, which isn't frequently used in websites. text, which isn't frequently used in websites.
### HTML View ### HTML View
Let's return an HTML view instead. Create `index.html` in the same directory: Let's return an HTML view instead. Create `index.html` in the same directory:
@ -129,8 +124,8 @@ Let's return an HTML view instead. Create `index.html` in the same directory:
</head> </head>
<body> <body>
<b>@message</b> <b>@message</b>
<br> <br />
<img src='https://vlang.io/img/v-logo.png' width=100> <img src="https://vlang.io/img/v-logo.png" width="100" />
</body> </body>
</html> </html>
``` ```
@ -176,7 +171,6 @@ into a single binary file together with the web application itself.
- All errors in the templates are guaranteed to be caught during compilation. - All errors in the templates are guaranteed to be caught during compilation.
### Fetching data with V ORM ### Fetching data with V ORM
Now let's display some articles! Now let's display some articles!
@ -184,7 +178,6 @@ Now let's display some articles!
We'll be using V's builtin ORM and a SQLite database. We'll be using V's builtin ORM and a SQLite database.
(V ORM will also support MySQL, Postgre, and SQL Server soon.) (V ORM will also support MySQL, Postgre, and SQL Server soon.)
Add a SQLite handle to `App`: Add a SQLite handle to `App`:
```v oksyntax ```v oksyntax
@ -199,14 +192,11 @@ pub mut:
} }
``` ```
In `fn main()` we'll connect to a database. In `fn main()` we'll connect to a database.
Code in the `main()` function is run only once during app's startup, so we are going Code in the `main()` function is run only once during app's startup, so we are going
to have one DB connection for all requests. This improves the performance of the web application, to have one DB connection for all requests. This improves the performance of the web application,
since a DB connection doesn't have to be set up for each request. since a DB connection doesn't have to be set up for each request.
```v oksyntax ```v oksyntax
// blog.v // blog.v
fn main() { fn main() {
@ -268,14 +258,13 @@ pub fn (app &App) index() vweb.Result {
} }
``` ```
Finally, let's update our view: Finally, let's update our view:
```html ```html
<body> <body>
@for article in articles @for article in articles
<div> <div>
<b>@article.title</b> <br> <b>@article.title</b> <br />
@article.text @article.text
</div> </div>
@end @end
@ -323,7 +312,6 @@ article := app.retrieve_article(10) or {
} }
``` ```
### Adding new articles ### Adding new articles
Create `new.html`: Create `new.html`:
@ -334,10 +322,10 @@ Create `new.html`:
<title>V Blog</title> <title>V Blog</title>
</head> </head>
<body> <body>
<form action='/new_article' method='post'> <form action="/new_article" method="post">
<input type='text' placeholder='Title' name='title'> <br> <input type="text" placeholder="Title" name="title" /> <br />
<textarea placeholder='Text' name='text'></textarea> <textarea placeholder="Text" name="text"></textarea>
<input type='submit'> <input type="submit" />
</form> </form>
</body> </body>
</html> </html>
@ -373,7 +361,7 @@ not necessary).
We need to update `index.html` to add a link to the "new article" page: We need to update `index.html` to add a link to the "new article" page:
```html ```html
<a href='/new'>New article</a> <a href="/new">New article</a>
``` ```
Next we need to add the HTML endpoint to our code like we did with `index.html`: Next we need to add the HTML endpoint to our code like we did with `index.html`:
@ -387,7 +375,6 @@ pub fn (mut app App) new() vweb.Result {
Re-running this code will now allow us to add new posts to our blog endpoint Re-running this code will now allow us to add new posts to our blog endpoint
### JSON endpoints ### JSON endpoints
This tutorial used the traditional server-side rendering. If you prefer This tutorial used the traditional server-side rendering. If you prefer
@ -406,10 +393,10 @@ pub fn (mut app App) articles() vweb.Result {
} }
``` ```
<img width=662 src="https://github.com/vlang/v/blob/master/tutorials/building_a_simple_web_blog_with_vweb/img/articles_json.png?raw=true"> <img width=662 src="https://github.com/vlang/v/blob/master/tutorials/building_a_simple_web_blog_with_vweb/img/articles_json.png?raw=true">
### Persistent data ### Persistent data
If one wants to persist data they need to use a file instead of memory SQLite Database. If one wants to persist data they need to use a file instead of memory SQLite Database.
Replace the db setup code with this instead: Replace the db setup code with this instead:
@ -422,7 +409,6 @@ If the database file doesn't exist it will create it. The second command will
create the table `Article` if none exists already. Now every time the create the table `Article` if none exists already. Now every time the
app is run you will see the articles created from the previous executions app is run you will see the articles created from the previous executions
To be continued... To be continued...
For an example of a more sophisticated web app written in V, check out Vorum: https://github.com/vlang/vorum For an example of a more sophisticated web app written in V, check out Vorum: https://github.com/vlang/vorum

2
vlib/readline/README.md
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@ -6,7 +6,6 @@ from a terminal in an easy and structured manner.
The module provides an easy way to prompt the user for The module provides an easy way to prompt the user for
questions or even make a REPL or an embedded console. questions or even make a REPL or an embedded console.
# Usage: # Usage:
```v ```v
@ -18,6 +17,7 @@ println(answer)
``` ```
or just: or just:
```v ```v
import readline { read_line } import readline { read_line }

4
vlib/v/checker/tests/go_wait_or.out
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@ -1,4 +1,4 @@
vlib/v/checker/tests/go_wait_or.vv:11:17: error: unexpected `?`, the function `wait` does neither return an optional nor a result vlib/v/checker/tests/go_wait_or.vv:11:16: error: unexpected `?`, the function `wait` does neither return an optional nor a result
9 | go d(1) 9 | go d(1)
10 | ] 10 | ]
11 | r := tg.wait()? 11 | r := tg.wait()?
@ -19,7 +19,7 @@ vlib/v/checker/tests/go_wait_or.vv:19:13: error: unexpected `or` block, the func
| ~~~~~~~~~~~~~~~~~~~~~~~ | ~~~~~~~~~~~~~~~~~~~~~~~
20 | tg2[0].wait()? 20 | tg2[0].wait()?
21 | tg3 := [ 21 | tg3 := [
vlib/v/checker/tests/go_wait_or.vv:20:16: error: unexpected `?`, the function `wait` does neither return an optional nor a result vlib/v/checker/tests/go_wait_or.vv:20:15: error: unexpected `?`, the function `wait` does neither return an optional nor a result
18 | ] 18 | ]
19 | tg2.wait() or { panic('problem') } 19 | tg2.wait() or { panic('problem') }
20 | tg2[0].wait()? 20 | tg2[0].wait()?

4
vlib/v/checker/tests/optional_propagate_nested.out
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@ -1,11 +1,11 @@
vlib/v/checker/tests/optional_propagate_nested.vv:10:19: error: to propagate the optional call, `xx_prop` must return an optional vlib/v/checker/tests/optional_propagate_nested.vv:10:18: error: to propagate the optional call, `xx_prop` must return an optional
8 | 8 |
9 | fn xx_prop() string { 9 | fn xx_prop() string {
10 | s := ret(raise()?) 10 | s := ret(raise()?)
| ^ | ^
11 | return s 11 | return s
12 | } 12 | }
vlib/v/checker/tests/optional_propagate_nested.vv:28:22: error: to propagate the optional call, `aa_propagate` must return an optional vlib/v/checker/tests/optional_propagate_nested.vv:28:21: error: to propagate the optional call, `aa_propagate` must return an optional
26 | 26 |
27 | fn (mut s St) aa_propagate() { 27 | fn (mut s St) aa_propagate() {
28 | f := retf(s.raise()?) 28 | f := retf(s.raise()?)

2
vlib/v/checker/tests/propagate_option_with_result_err.out
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@ -1,4 +1,4 @@
vlib/v/checker/tests/propagate_option_with_result_err.vv:6:8: error: to propagate an option, the call must also return an optional type vlib/v/checker/tests/propagate_option_with_result_err.vv:6:7: error: to propagate an option, the call must also return an optional type
4 | 4 |
5 | fn bar() ?string { 5 | fn bar() ?string {
6 | foo()? 6 | foo()?

2
vlib/v/parser/tests/defer_propagate.out
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@ -1,4 +1,4 @@
vlib/v/parser/tests/defer_propagate.vv:9:15: error: error propagation not allowed inside `defer` blocks vlib/v/parser/tests/defer_propagate.vv:9:14: error: error propagation not allowed inside `defer` blocks
7 | mut a := 0 7 | mut a := 0
8 | defer { 8 | defer {
9 | a = test1()? 9 | a = test1()?

2
vlib/v/parser/tests/defer_propagate2.out
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@ -1,4 +1,4 @@
vlib/v/parser/tests/defer_propagate2.vv:16:13: error: error propagation not allowed inside `defer` blocks vlib/v/parser/tests/defer_propagate2.vv:16:12: error: error propagation not allowed inside `defer` blocks
14 | dump(s.x) 14 | dump(s.x)
15 | defer { 15 | defer {
16 | s.close()? 16 | s.close()?