Changes in the syntax

master
Araozu 2024-03-13 12:16:29 -05:00
parent 49a04fa5ac
commit 1e63e799ce
7 changed files with 106 additions and 37 deletions

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@ -11,7 +11,7 @@ val apple = fruits[0]
print(apple)
val mut numbers = [0, 1, 2, 3]
var numbers = [0, 1, 2, 3]
numbers[3] = 5

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@ -1,43 +1,94 @@
# Maps
Also known as Associative Arrays
Also known as Associative Arrays, or Objects in other languages.
All maps must have a definition, which define their fields and datatypes.
There can also be anonymous maps, which may contain any key.
## Usage without a declaration
## Named Maps
```thp
val mut person = Obj {
name: "John",
surname: "Doe",
age: 33,
}
print("Hello {person.name}")
person.age += 1
print("You just turned {person.age}")
```
## Usage with a declaration
```thp
obj Person = {
// Here we define a map, called Person
map Person {
String name,
String surname,
Int age,
}
// Here we declare an instance of a Person.
val john_doe = Person {
name: "John",
surname: "Doe",
age: 33,
}
// If the compiler can infer the type of a Map,
// we can omit its type
var Person mary_jane = .{
name: "Mary",
surname: "Jane",
age: 27,
}
```
To access the fields of a map we use square braces `[]`.
```thp
mary_jane[age] += 1
print(mary_jane[name]) // Mary
```
## Anonymous maps
An anonymous map allows us to store and retrieve any key of any datatype.
They are declared as `Map`.
```thp
val car = Map {
brand: "Toyota",
model: "Corolla",
year: 2012,
}
```
Anonymous maps can also can have their type omitted.
```thp
var car = .{
brand: "Toyota",
model: "Corolla",
year: 2012,
}
```
If the compiler encounters a map without a type (that is, `.{}`)
and doesn't expect a specific type, it will assume it is an
anonymous map.
We can freely assign fields to an anonymous map:
```thp
// Modify an existing field
car[year] = 2015
// Create a new field
car[status] = "used"
```
However, if we try to access a field of an anonymous map we'll get an error.
```thp
print(car[status]) // Error: Can't access a field of an anonymous map
```
Instead, we should use the `get` function of the map, which expects a
datatype and returns an Option
```thp
// | this function
String? car_status = car.get[String]("status")
```
The `get` function will check that a key `"status"` exists in the map,
and that it has the correct datatype. If either the key doesn't exist
or it has a different datatype, it will return `None`.

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@ -1,7 +1,6 @@
# Tuples
Uses `#()` just to avoid confusion with function
calls (`()`).
Uses `#()` just to avoid confusion with function calls and grouping (`()`).
## Definition

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@ -9,31 +9,38 @@ val user_id = POST::get("user_id")
match user_id
| Some(id) { print("user_id exists: {id}") }
| None { print("user_id doesn't exist") }
case Some(id) { print("user_id exists: {id}") }
case None { print("user_id doesn't exist") }
match user_id
| Some(id)
case Some(id)
{
print("user_id exists: {id}")
}
| None
case None
{
print("user_id doesn't exist")
}
match user_id
| Some(id) if id > 0
case Some(id) if id > 0
{
print("user_id exists: {id}")
}
| _
else
{
print("user_id has other values ")
}
match customer_id
case 1, 2, 3
{
print("special discount for our first 3 customers!")
}
else
{
print("hello dear")
}
```

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@ -59,11 +59,22 @@ f() // 20
## Lambdas
Lambdas are a short form of anonymous functions. They are declared with `#{}`.
Inside the lambda you can access the parameters as `$1`, `$2`, etc.
Finally, lambdas be written outside of the parenthesis of function calls.
```thp
numbers.map {
$0 * 2
numbers.map() #{
$1 * 2
}
// the above lambda is equivalent to:
numbers.map(fun(param1) {
$1 * 2
})
```

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@ -29,6 +29,7 @@
--code-theme-bg-color: #ffffff;
--code-theme-bg-color_selection: #a4cdff;
--code-theme-color_selection: inherit;
--code-theme-border-color: #c2c2c2;
--code-theme-comment: #5d6c79;
@ -92,7 +93,6 @@ pre[class*="language-"] ::selection {
}
:not(pre) > code {
/* border: solid 1px var(--border-color); */
background-color: var(--code-theme-bg-color);
padding: 0 0.25rem;
border-radius: 5px;
@ -103,6 +103,7 @@ pre[class*="language-"] {
position: relative;
margin: 0.5em 0;
padding: 0.75em 0.75em;
border: 1px solid var(--code-theme-border-color);
}
.language-css > code,

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@ -15,7 +15,7 @@ Prism.languages.thp = {
pattern: /(["])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
greedy: true,
},
"keyword": /\b(?:static|const|enum|loop|use|break|catch|continue|do|else|finally|for|fun|if|in|fn|nil|return|throw|try|while|type|match|with|of|abstract|class|interface|private|pub|obj|override|open|init|val|var|mut|clone)\b/,
"keyword": /\b(?:case|static|const|enum|loop|use|break|catch|continue|do|else|finally|for|fun|if|in|fn|nil|return|throw|try|while|type|match|with|of|abstract|class|interface|private|pub|map|override|open|init|val|var|mut|clone)\b/,
"number": /\b0x[\da-f]+\b|(?:\b\d+(?:\.\d*)?|\B\.\d+)(?:e[+-]?\d+)?/i,
"operator": /[<>]=?|[!=]=?=?|--?|\$|\+\+?|&&?|\|\|?|[?*/~^%]/,
"punctuation": /[{}[\];(),.]/,