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declarations.txt
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================================================================================
Modules
================================================================================
mod english;
mod english {}
mod english {
mod greetings {}
mod farewells {}
}
pub mod english;
--------------------------------------------------------------------------------
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================================================================================
Extern crate declarations
================================================================================
extern crate std;
extern crate std as ruststd;
pub extern crate futures;
--------------------------------------------------------------------------------
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================================================================================
Function declarations
================================================================================
fn main() {}
fn add(x: i32, y: i32) -> i32 {
return x + y;
}
fn takes_slice(slice: &str) {
println!("Got: {}", slice);
}
fn foo() -> [u32; 2] {
return [1, 2];
}
fn foo() -> (u32, u16) {
return (1, 2);
}
fn foo() {
return
}
fn foo(x: impl FnOnce() -> result::Result<T, E>) {}
fn foo(#[attr] x: i32, #[attr] x: i64) {}
fn accumulate(self) -> Machine<{State::Accumulate}> {}
--------------------------------------------------------------------------------
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================================================================================
Const function declarations
================================================================================
const fn main() {}
--------------------------------------------------------------------------------
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================================================================================
Functions with abstract return types
================================================================================
fn triples(a: impl B) -> impl Iterator<Item=(usize)> {
}
--------------------------------------------------------------------------------
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================================================================================
Diverging functions
================================================================================
fn aborts() -> ! {
}
--------------------------------------------------------------------------------
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================================================================================
Extern function declarations
================================================================================
extern "C" fn foo() {}
extern "C" fn printf(
*const c_char,
...,
) {}
--------------------------------------------------------------------------------
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================================================================================
Use declarations
================================================================================
use abc;
use phrases::japanese;
use sayings::english::greetings;
use sayings::english::greetings as en_greetings ;
use phrases::english::{greetings,farewells};
use sayings::japanese::farewells::*;
pub use self::greetings::hello;
use sayings::english::{self, greetings as en_greetings, farewells as en_farewells};
use three::{ dot::{one, four} };
use my::{ some::* };
use my::{*};
--------------------------------------------------------------------------------
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================================================================================
Variable bindings
================================================================================
let x;
let x = 42;
let x: i32;
let x: i8 = 42;
let mut x = 5;
let y: bool = false;
let bool: bool = false;
let u32: str = "";
--------------------------------------------------------------------------------
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================================================================================
Structs
================================================================================
struct Proton;
struct Electron {}
struct Person {pub name: String, pub age: u32}
struct Point {
x: i32,
#[attribute1]
y: i32,
}
struct Color(pub i32, i32, i32);
struct Inches(i32);
--------------------------------------------------------------------------------
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================================================================================
Unions
================================================================================
pub union in6_addr__bindgen_ty_1 {
pub __u6_addr8: [__uint8_t; 16usize],
pub __u6_addr16: [__uint16_t; 8usize],
pub __u6_addr32: [__uint32_t; 4usize],
_bindgen_union_align: [u32; 4usize],
}
--------------------------------------------------------------------------------
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================================================================================
Generic structs
================================================================================
struct A<B> {}
struct C<'a, 'b> {}
struct C<'a,> {}
struct D<const SIZE: usize> {}
--------------------------------------------------------------------------------
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================================================================================
Enums
================================================================================
pub enum Option<T> {
None,
Some(T),
}
pub enum Node<T: Item> {
Internal {
children: Vec<Tree<T>>,
height: u16
},
#[attribute1]
#[attribute2]
Leaf {
value: T
}
}
--------------------------------------------------------------------------------
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(identifier)
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================================================================================
Enums with values specified
================================================================================
pub enum c_style_enum {
val1 = 1,
val2 = 2
}
--------------------------------------------------------------------------------
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================================================================================
Generic functions
================================================================================
pub fn splice<T: Into<Text>>(&mut self, old_range: Range<usize>, new_text: T) {
}
pub fn uninit_array<const LEN: usize>() -> [Self; LEN] {}
--------------------------------------------------------------------------------
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================================================================================
Functions with mutable parameters
================================================================================
fn foo(mut x : u32) {
}
--------------------------------------------------------------------------------
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================================================================================
Functions with destructured parameters
================================================================================
fn f1([x, y]: [u32; 2]) {}
fn f2(&x: &Y) {}
fn f3((x, y): (T, U)) {}
--------------------------------------------------------------------------------
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================================================================================
Functions with custom types for self
================================================================================
trait Callback {
fn call(self: Box<Self>);
}
--------------------------------------------------------------------------------
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(self)
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================================================================================
Constant items
================================================================================
const N: i32 = 5;
trait Foo {
const X: u8;
}
--------------------------------------------------------------------------------
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(trait_item
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================================================================================
Static items
================================================================================
static N: i32 = 5;
static mut __progname: *mut ::c_char;
--------------------------------------------------------------------------------
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================================================================================
Static 'ref' items using lazy_static
================================================================================
static ref ONE: usize = 0;
--------------------------------------------------------------------------------
(source_file
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(primitive_type)
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================================================================================
Type aliases
================================================================================
type Inch = u64;
type Name<T> = Vec<T>;
--------------------------------------------------------------------------------
(source_file
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(primitive_type))
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================================================================================
Empty statements
================================================================================
fn main() {
;
}
--------------------------------------------------------------------------------
(source_file
(function_item
(identifier)
(parameters)
(block
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================================================================================
Attributes
================================================================================
#[test]
fn test_foo() {}
#[derive(Debug)]
struct Baz;
#[derive(Debug, Eq,)]
struct Foo;
#[cfg(target_os = "macos")]
mod macos_only {}
#![allow(clippy::useless_transmute)]
#[clippy::cyclomatic_complexity = "100"]
--------------------------------------------------------------------------------
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name: (identifier))))))
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================================================================================
Inner attributes
================================================================================
mod macos_only {
#![cfg(target_os = "macos")]
}
--------------------------------------------------------------------------------
(source_file
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body: (declaration_list
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value: (string_literal))))))))
================================================================================
Attributes and Expressions