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#![feature(maybe_uninit_uninit_array)] | |
#![feature(maybe_uninit_array_assume_init)] | |
use std::{ | |
iter::FromIterator, | |
mem::MaybeUninit | |
}; | |
fn main() { | |
let bar = vec![1,2,3]; |
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// This type is a replacement for the macro provided by the lazy_static crate | |
use lazy::Lazy; | |
use std::collections::HashMap; | |
static GLOBAL_MAP: Lazy<HashMap<u32, &str>> = Lazy::new(|| { | |
let mut m = HashMap::new(); | |
m.insert(0, "foo"); | |
m.insert(1, "bar"); | |
m.insert(2, "baz"); | |
m |
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fn redis_insert_account( | |
&self, | |
specified_id: Option<u64>, | |
account: AccountDetails, | |
) -> Box<dyn Future<Item = Account, Error = ()> + Send> { | |
let connection = self.connection.clone(); | |
let routing_table = self.routes.clone(); | |
let encryption_key = self.encryption_key.clone(); | |
// Instead of storing the incoming secrets, we store the HMAC digest of them |
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error[E0599]: no method named `and_then` found for type `futures::future::either::Either<std::result::Result<(redis::async::SharedConnection, account::Account), _>, futures::future::and_then::AndThen<futures::future::and_then::AndThen<impl futures::future::Future, std::result::Result<account::Account, ()>, [closure@crates/interledger-store-redis/src/store.rs:320:31: 323:22 account:_]>, futures::future::and_then::AndThen<futures::future::map_err::MapErr<std::boxed::Box<dyn futures::future::Future<Item = (redis::async::SharedConnection, std::vec::Vec<bool>), Error = redis::types::RedisError> + std::marker::Send>, [closure@crates/interledger-store-redis/src/store.rs:341:38: 346:30]>, std::result::Result<(redis::async::SharedConnection, account::Account), ()>, [closure@crates/interledger-store-redis/src/store.rs:348:33: 355:34 keys:_, account:_]>, [closure@crates/interledger-store-redis/src/store.rs:325:31: 357:22 btp_incoming_token_hmac:_, http_incoming_token_hmac:_, connection:_]>>` in the current scope | |
--> |
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Compiling countess v0.1.0 (C:\Users\Ben\code\rust\countess) | |
error[E0412]: cannot find type `ItemFn` in module `syn` | |
--> src\lib.rs:7:54 | |
| | |
7 | let input = syn::parse_macro_input!(item as syn::ItemFn); | |
| ^^^^^^ not found in `syn` | |
error: aborting due to previous error |
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#include <iostream> | |
#include <vector> | |
int main() { | |
std::vector<int> v { 2, 3, 4 }; | |
for(auto i: v) { | |
if (i % 2 == 0) { | |
v.push_back(i * -1); | |
} | |
} |
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struct Foo { | |
a: (int, int) | |
} | |
fn main() { | |
let foo = Foo { a: (1, 2) }; | |
let Foo { a: (x, y) } = foo; | |
println!("{} {}", x, y); | |
} |
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/* This program defines a recursive datastructure and implements methods upon it. | |
Recursive datastructures require a layer of indirection, which is provided here | |
by a unique pointer, indicated by the tilde `~` operator. These are analogous to | |
the C++ library type `std::unique_ptr`, though with more static safety guarantees. */ | |
fn main() { | |
let list = ~Node(1, ~Node(2, ~Node(3, ~Empty))); | |
println!("Sum of all values in the list: {:i}.", list.multiply_by(2).sum()); | |
} | |
// An `enum` defines a type that may be one of several different kinds of values at runtime. |
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fn main() { | |
let argv = std::os::args(); | |
let (x, y, z) = match argv { | |
[filename, arg1, arg2, arg3, ..rest] => (arg1, arg2, arg3), | |
_ => fail!("At least three arguments expected.") | |
}; | |
} |
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fn integral(f: &|f32|->f32, p: u32, a: f32, b: f32) -> f32 { | |
if p == 1 { | |
(b-a) * ((*f)(a) + 4.0 * (*f)((a+b)/2.0) + (*f)(b))/6.0 | |
} | |
else { | |
let mid = (a+b)/2.0; | |
integral(f, p-1, a, mid) + integral(f, p-1, mid, b) | |
} | |
} |
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