Syntax: fn type name

This commit is contained in:
2026-06-16 03:29:01 +02:00
parent eea72f5bb3
commit aadccb7f38
15 changed files with 9 additions and 842 deletions
-83
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@@ -1,83 +0,0 @@
pub module decl_test;
pub fn test_let_basic() {
let x = 42;
assert_eq!(x, 42);
}
pub fn test_let_typed() {
let x i32 = 42;
assert_eq!(x, 42);
let s *str = "hello";
assert_eq!(s, "hello");
let b bool = true;
assert_eq!(b, true);
let f f64 = 3.14;
assert_eq!(f, 3.14);
}
pub fn test_let_mut() {
let mut _x = 42;
_x = 100;
assert_eq!(_x, 100);
}
pub fn test_let_tuple_destructure() {
let [a, b] = (10, "hello");
assert_eq!(a, 10);
assert_eq!(b, "hello");
}
pub fn test_let_nested_tuple() {
let [a, [b, c]] = (1, (2, 3));
assert_eq!(a, 1);
assert_eq!(b, 2);
assert_eq!(c, 3);
}
pub fn test_let_pattern_irrefutable() {
let x = 5;
let [y, z] = (1, 2);
assert_eq!(x, 5);
assert_eq!(y, 1);
assert_eq!(z, 2);
}
pub fn test_multiple_decls() {
let a = 1;
let b = 2;
let c = 3;
assert_eq!(a + b + c, 6);
}
pub fn test_let_with_type_and_init() {
let x f64 = 10.0;
assert_eq!(x, 10.0);
}
pub fn test_string_literal() {
let s = "hello, world!";
assert_eq!(s.len(), 13);
}
pub fn test_let_bool() {
let t = true;
let f = false;
assert_eq!(t, !f);
}
pub fn run_tests() {
test_let_basic();
test_let_typed();
test_let_mut();
test_let_tuple_destructure();
test_let_nested_tuple();
test_let_pattern_irrefutable();
test_multiple_decls();
test_let_with_type_and_init();
test_string_literal();
test_let_bool();
}
-152
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@@ -1,152 +0,0 @@
pub module expr_test;
pub fn test_literals() {
assert_eq!(42, 42);
assert_eq!(3.14, 3.14);
assert_eq!(true, true);
assert_eq!(false, false);
assert_eq!("hello", "hello");
}
pub fn test_tuples() {
let t = (1, true, "three");
assert_eq!(t.0, 1);
assert_eq!(t.1, true);
assert_eq!(t.2, "three");
}
pub fn test_arrays() {
let arr = [1, 2, 3];
assert_eq!(arr[0], 1);
assert_eq!(arr[1], 2);
assert_eq!(arr[2], 3);
}
pub fn test_array_repeat() {
let arr = [0; 5];
assert_eq!(arr[0], 0);
assert_eq!(arr[4], 0);
assert_eq!(arr.len(), 5);
}
pub fn test_binary_arith() {
assert_eq!(10 + 5, 15);
assert_eq!(10 - 5, 5);
assert_eq!(10 * 5, 50);
assert_eq!(10 / 5, 2);
assert_eq!(10 % 3, 1);
}
pub fn test_binary_cmp() {
assert_eq!(5 < 10, true);
assert_eq!(10 <= 10, true);
assert_eq!(10 > 5, true);
assert_eq!(10 >= 10, true);
assert_eq!(5 == 5, true);
assert_eq!(5 != 10, true);
}
pub fn test_binary_logic() {
assert_eq!(true && true, true);
assert_eq!(true && false, false);
assert_eq!(true || false, true);
assert_eq!(false || false, false);
}
pub fn test_binary_bit() {
assert_eq!(5 & 3, 1);
assert_eq!(5 | 3, 7);
assert_eq!(5 ^ 3, 6);
assert_eq!(1 << 2, 4);
assert_eq!(4 >> 1, 2);
}
pub fn test_prefix() {
let x = 42;
assert_eq!(-x, -42);
assert_eq!(!true, false);
assert_eq!(!false, true);
}
pub fn test_ref_deref() {
let x = 42;
let r = &x;
assert_eq!(*r, 42);
}
pub fn test_postfix_inc_dec() {
let mut x = 5;
x++;
assert_eq!(x, 6);
x--;
assert_eq!(x, 5);
}
pub fn test_as_cast() {
let x = 42;
assert_eq!(x as f64, 42.0);
}
pub fn test_closure() {
let add = fn(a, b) -> a + b;
assert_eq!(add(2, 3), 5);
}
pub fn test_block_expr() {
let x = {
let y = 10;
y + 5
};
assert_eq!(x, 15);
}
pub fn test_if_expr() {
let x = if true { 1 } else { 2 };
assert_eq!(x, 1);
let y = if false { 1 } else { 2 };
assert_eq!(y, 2);
}
pub fn test_range_expr() {
let r = 0..5;
let mut count = 0;
for i in r {
count++;
}
assert_eq!(count, 5);
}
pub fn test_binary_assign() {
let mut x = 10;
x += 5;
assert_eq!(x, 15);
x -= 3;
assert_eq!(x, 12);
x *= 2;
assert_eq!(x, 24);
x /= 4;
assert_eq!(x, 6);
x %= 4;
assert_eq!(x, 2);
}
pub fn run_tests() {
test_literals();
test_tuples();
test_arrays();
test_array_repeat();
test_binary_arith();
test_binary_cmp();
test_binary_logic();
test_binary_bit();
test_prefix();
test_ref_deref();
test_postfix_inc_dec();
test_as_cast();
test_closure();
test_block_expr();
test_if_expr();
test_range_expr();
test_binary_assign();
}
-3
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@@ -1,3 +0,0 @@
pub module common;
pub fn test_package() {}
-167
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@@ -1,167 +0,0 @@
pub module statement_test;
pub fn test_var_decl() {
let x = 42;
assert_eq!(x, 42);
let y i32 = 10;
assert_eq!(y, 10);
let name *str = "mist";
assert_eq!(name, "mist");
}
pub fn test_var_decl_with_init() {
let mut x = 0;
x = 5;
assert_eq!(x, 5);
}
pub fn test_if_statement() {
let mut x = 0;
if true {
x = 1;
}
assert_eq!(x, 1);
if false {
x = 2;
} else {
x = 3;
}
assert_eq!(x, 3);
}
pub fn test_if_else_if() {
let mut x = 0;
if x == 1 {
x = 10;
} else if x == 0 {
x = 20;
} else {
x = 30;
}
assert_eq!(x, 20);
}
pub fn test_while_loop() {
let mut count = 0;
while count < 5 {
count++;
}
assert_eq!(count, 5);
}
pub fn test_for_loop() {
let mut sum = 0;
for i in 0..4 {
sum += i;
}
assert_eq!(sum, 6);
}
pub fn test_loop_stmt() {
let mut count = 0;
loop {
count++;
if count >= 3 {
break;
}
}
assert_eq!(count, 3);
}
pub fn test_break_continue() {
let mut sum = 0;
for i in 0..10 {
if i % 2 == 0 {
continue;
}
if i >= 7 {
break;
}
sum += i;
}
assert_eq!(sum, 1 + 3 + 5);
}
pub fn test_return_from_fn() i32 {
return 42;
}
pub fn test_block_scope() {
let x = {
let inner = 10;
inner + 5
};
assert_eq!(x, 15);
}
pub fn test_match_literal() {
let x = 2;
let result;
match x {
1 => { result = 10; }
2 => { result = 20; }
3 => { result = 30; }
_ => panic!();
}
assert_eq!(result, 20);
}
pub fn test_match_or_pattern() {
let x = 1;
let result i32;
match x {
1 | 2 => { result = 100; }
3 => { result = 200; }
_ => panic!();
}
assert_eq!(result, 100);
}
pub fn test_match_default() {
let x = 99;
let result;
match x {
1 => { result = 10; }
y => { result = y; }
}
assert_eq!(result, 99);
}
pub fn test_for_with_pattern_destructure() {
let pairs = [(1, "a"), (2, "b")];
let mut keys = 0;
for [k, _] in pairs {
keys += k;
}
assert_eq!(keys, 3);
}
pub fn run_tests() {
test_var_decl();
test_var_decl_with_init();
test_if_statement();
test_if_else_if();
test_while_loop();
test_for_loop();
test_loop_stmt();
test_break_continue();
assert_eq!(test_return_from_fn(), 42);
test_block_scope();
test_match_literal();
test_match_or_pattern();
test_match_default();
test_for_with_pattern_destructure();
}
-65
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@@ -1,65 +0,0 @@
pub module types_test;
pub fn test_integer_type() {
let x i32 = 42;
assert_eq!(x, 42);
}
pub fn test_float_type() {
let x f64 = 3.14;
assert_eq!(x, 3.14);
}
pub fn test_bool_type() {
let x bool = true;
assert_eq!(x, true);
let y bool = false;
assert_eq!(y, false);
}
pub fn test_string_type() {
let s *str = "hello";
assert_eq!(s, "hello");
}
pub fn test_tuple_type() {
let t [i32, *str] = (42, "answer");
assert_eq!(t.0, 42);
assert_eq!(t.1, "answer");
}
pub fn test_ref_type() {
let x i32 = 42;
let r *i32 = &x;
assert_eq!(*r, 42);
}
pub fn test_mut_ref_type() {
let mut x = 42;
let r *mut i32 = &mut x;
*r = 100;
assert_eq!(x, 100);
}
pub fn test_void_type() {}
fn add(a i32, b i32) i32 {
a + b
}
pub fn test_fn_return_type() {
assert_eq!(add(3, 4), 7);
}
pub fn run_tests() {
test_integer_type();
test_float_type();
test_bool_type();
test_string_type();
test_tuple_type();
test_ref_type();
test_mut_ref_type();
test_void_type();
test_fn_return_type();
}
-23
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@@ -1,23 +0,0 @@
pub module attribute_test;
#[derive(Debug)]
pub struct Debuggable {
value i32,
}
pub fn test_derive_attribute() {
let d = Debuggable { value: 42 };
assert_eq!(d.value, 42);
}
#[allow(unused_variables)]
pub fn test_allow_attribute() {
let x = 42;
let y = "unused";
assert_eq!(x, 42);
}
pub fn run_tests() {
test_derive_attribute();
test_allow_attribute();
}
-56
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@@ -1,56 +0,0 @@
pub module class_test;
pub class Animal<T> {
pub name String;
pub val T;
constructor() {
self.name = "Rex".to_string();
}
pub fn speak(*self) {
println!("Unknown");
}
pub fn test_speak(*self) {
self.speak();
}
pub fn static_method() {}
}
pub class Mammal<T> : Animal<T> {
constructor() {
super = Super::new();
}
pub fn args_test(*self, x i32, y *str) {}
pub fn returning<'a>(*self) *'a str {
"Mammal"
}
}
pub class Dog : Mammal<i32> {
constructor() {
super = Super::new();
}
pub override(Animal<i32>) fn speak(*self) {
println!("Woof!");
}
pub override fn returning(*self) *str {
"Dog"
}
}
pub fn run_tests() {
let dawg = Dog::new();
dawg.args_test(10, "hello");
dawg.test_speak();
println!("{}", dawg.returning());
}
-62
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@@ -1,62 +0,0 @@
pub module enum_test;
enum OptionInt {
None,
Some[i32],
}
pub fn test_enum_named() {
let x = OptionInt::None;
match x {
OptionInt::None => { assert_eq!(1, 1); }
OptionInt::Some[_] => { assert_eq!(0, 1); }
}
}
pub fn test_enum_tuple() {
let x = OptionInt::Some(42);
match x {
OptionInt::None => { assert_eq!(0, 1); }
OptionInt::Some[v] => { assert_eq!(v, 42); }
}
}
enum Shape {
Circle { radius i32 },
Rect { w i32, h i32 },
}
pub fn test_enum_struct() {
let c = Shape::Circle { radius: 5 };
match c {
Shape::Circle { radius } => { assert_eq!(radius, 5); }
Shape::Rect { .. } => { assert_eq!(0, 1); }
}
let r = Shape::Rect { w: 3, h: 4 };
match r {
Shape::Circle { .. } => { assert_eq!(0, 1); }
Shape::Rect { w, h } => { assert_eq!(w * h, 12); }
}
}
enum Color {
Red,
Green,
Blue,
}
pub fn test_enum_eq() {
let c = Color::Red;
match c {
Color::Red => { assert_eq!(1, 1); }
_ => { assert_eq!(0, 1); }
}
}
pub fn run_tests() {
test_enum_named();
test_enum_tuple();
test_enum_struct();
test_enum_eq();
}
-66
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@@ -1,66 +0,0 @@
pub module function_test;
fn greet() {
let mut x = 1;
x++;
}
pub fn test_basic_function() {
greet();
}
fn add(a i32, b i32) i32 {
a + b
}
pub fn test_fn_params() {
assert_eq!(add(2, 3), 5);
}
pub fn test_fn_return() i32 {
42
}
pub fn test_fn_early_return() i32 {
return 100;
0
}
pub fn test_fn_mut_param(mut x i32) i32 {
x = x + 10;
x
}
pub fn test_method_call() {
let s = "hello";
assert_eq!(s.len(), 5);
assert_eq!(s.to_uppercase(), "HELLO");
}
fn triple(x i32) i32 {
add(x, add(x, x))
}
pub fn test_nested_fn_calls() {
assert_eq!(triple(5), 15);
}
fn factorial(n i32) i32 {
if n <= 1 { 1 }
else { n * factorial(n - 1) }
}
pub fn test_recursive_fn() {
assert_eq!(factorial(5), 120);
}
pub fn run_tests() {
test_basic_function();
test_fn_params();
assert_eq!(test_fn_return(), 42);
assert_eq!(test_fn_early_return(), 100);
assert_eq!(test_fn_mut_param(5), 15);
test_method_call();
test_nested_fn_calls();
test_recursive_fn();
}
-56
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@@ -1,56 +0,0 @@
pub module impl_test;
struct Vector2 {
x i32,
y i32,
}
impl Vector2 {
pub fn magnitude(*self) i32 {
self.x * self.x + self.y * self.y
}
}
pub fn test_inherent_impl() {
let v = Vector2 { x: 3, y: 4 };
assert_eq!(v.magnitude(), 25);
}
trait Display {
fn display(*self) String;
}
impl Display for Vector2 {
fn display(*self) String {
format!("({}, {})", self.x, self.y)
}
}
pub fn test_trait_impl_block() {
let v = Vector2 { x: 1, y: 2 };
let s = v.display();
assert_eq!(s.len() > 0, true);
}
impl Vector2 {
pub fn add(*self, other Vector2) Vector2 {
Vector2 {
x: self.x + other.x,
y: self.y + other.y,
}
}
}
pub fn test_multiple_impls() {
let a = Vector2 { x: 1, y: 2 };
let b = Vector2 { x: 3, y: 4 };
let c = a.add(b);
assert_eq!(c.x, 4);
assert_eq!(c.y, 6);
}
pub fn run_tests() {
test_inherent_impl();
test_trait_impl_block();
test_multiple_impls();
}
-46
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@@ -1,46 +0,0 @@
pub module struct_test;
struct Point {
x i32,
y i32,
}
pub fn test_struct_create_access() {
let p = Point { x: 10, y: 20 };
assert_eq!(p.x, 10);
assert_eq!(p.y, 20);
}
pub fn test_struct_mut_field() {
let mut p = Point { x: 1, y: 2 };
p.x = 100;
assert_eq!(p.x, 100);
}
pub fn test_struct_destructure() {
let p = Point { x: 3, y: 4 };
let Point { x, y } = p;
assert_eq!(x, 3);
assert_eq!(y, 4);
}
struct Line {
start Point,
end Point,
}
pub fn test_struct_nested() {
let l = Line {
start: Point { x: 0, y: 0 },
end: Point { x: 5, y: 10 },
};
assert_eq!(l.start.x, 0);
assert_eq!(l.end.y, 10);
}
pub fn run_tests() {
test_struct_create_access();
test_struct_mut_field();
test_struct_destructure();
test_struct_nested();
}
-41
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@@ -1,41 +0,0 @@
pub module trait_test;
trait Speak {
fn speak(*self) String;
}
trait Greet : Speak {
fn greet(*self) String;
}
struct Dog {
name String,
}
impl Speak for Dog {
fn speak(*self) String {
"woof".to_string()
}
}
impl Greet for Dog {
fn greet(*self) String {
"hello".to_string()
}
}
pub fn test_trait_impl() {
let d = Dog { name: "Rex".to_string() };
assert_eq!(d.speak(), "woof");
}
pub fn test_trait_with_requirement() {
let d = Dog { name: "Buddy".to_string() };
assert_eq!(d.speak(), "woof");
assert_eq!(d.greet(), "hello");
}
pub fn run_tests() {
test_trait_impl();
test_trait_with_requirement();
}
+3 -17
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@@ -1,19 +1,5 @@
fn main() {
fn Result<[], String> main() {
println!("running common tests...");
common::test_package();
common::expr_test::run_tests();
common::statement_test::run_tests();
common::decl_test::run_tests();
common::types_test::run_tests();
println!("running items tests...");
items::function_test::run_tests();
items::struct_test::run_tests();
items::enum_test::run_tests();
items::class_test::run_tests();
items::trait_test::run_tests();
items::impl_test::run_tests();
items::attribute_test::run_tests();
println!("\x1b[32m\nAll tests passed!\x1b[0m");
}
Ok(())
}