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tools: implement cgen tag for Markdown examples in v check-md (#13332)

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Delyan Angelov
2022-01-31 22:51:04 +02:00
committed by GitHub
parent b34860e39b
commit db50e79d26
5 changed files with 86 additions and 51 deletions
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doc/docs.md
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@ -163,7 +163,7 @@ For more details and troubleshooting, please visit the [vab GitHub repository](h
<!--
NB: there are several special keywords, which you can put after the code fences for v:
compile, live, ignore, failcompile, oksyntax, badsyntax, wip, nofmt
compile, cgen, live, ignore, failcompile, oksyntax, badsyntax, wip, nofmt
For more details, do: `v check-md`
-->
@ -1393,7 +1393,7 @@ println(s)
You can check the current type of a sum type using `is` and its negated form `!is`.
You can do it either in an `if`:
```v
```v cgen
struct Abc {
val string
}
@ -5102,40 +5102,42 @@ For all supported options check the latest help:
#### `$if` condition
```v
// Support for multiple conditions in one branch
$if ios || android {
println('Running on a mobile device!')
}
$if linux && x64 {
println('64-bit Linux.')
}
// Usage as expression
os := $if windows { 'Windows' } $else { 'UNIX' }
println('Using $os')
// $else-$if branches
$if tinyc {
println('tinyc')
} $else $if clang {
println('clang')
} $else $if gcc {
println('gcc')
} $else {
println('different compiler')
}
$if test {
println('testing')
}
// v -cg ...
$if debug {
println('debugging')
}
// v -prod ...
$if prod {
println('production build')
}
// v -d option ...
$if option ? {
println('custom option')
fn main() {
// Support for multiple conditions in one branch
$if ios || android {
println('Running on a mobile device!')
}
$if linux && x64 {
println('64-bit Linux.')
}
// Usage as expression
os := $if windows { 'Windows' } $else { 'UNIX' }
println('Using $os')
// $else-$if branches
$if tinyc {
println('tinyc')
} $else $if clang {
println('clang')
} $else $if gcc {
println('gcc')
} $else {
println('different compiler')
}
$if test {
println('testing')
}
// v -cg ...
$if debug {
println('debugging')
}
// v -prod ...
$if prod {
println('production build')
}
// v -d option ...
$if option ? {
println('custom option')
}
}
```