xd009642

### Keybase proof

I hereby claim:

  * I am xd009642 on github.
  * I am xd009642 (https://keybase.io/xd009642) on keybase.
  * I have a public key whose fingerprint is E41E B6C4 DF00 0782 0DE0  A150 560F 1F28 BCFC DD24

To claim this, I am signing this object:

xd009642

#
# Downloads a random RFC and saves to text file. 
#

import random
import urllib.request
MAX_RFC = 8449

while True:
    choice = random.randint(1, MAX_RFC)

xd009642

Rust 2019

This is a bit of a brain dump of my thoughts about Rust 2019. Mainly I work on my own code coverage tool tarpaulin, embedded rust and random little tools. So my perspective will be coloured by this.

Stabilising proc-macro

So this year tarpaulin found itself needing to be compiled on nightly. This was because syntex-syntax is no longer maintained, and as a result, new syntax was

xd009642

<!-- Portions (C) International Organization for Standardization 1986:
     Permission to copy in any form is granted for use with
     conforming SGML systems and applications as defined in
     ISO 8879, provided this notice is included in all copies.
-->

  <!ELEMENT coverage (sources?,packages)>
  <!ATTLIST coverage line-rate        CDATA #REQUIRED>
  <!ATTLIST coverage branch-rate      CDATA #REQUIRED>
  <!ATTLIST coverage lines-covered    CDATA #REQUIRED>

xd009642

module cordic
(
  input clk,
  input ce,
  input rst,
  input signed [18-1:0] x_in,
  input signed [18-1:0] y_in,
  input [18-1:0] phase_in,

xd009642

module cordic
(
  input clk,
  input ce,
  input rst,
  input signed [18-1:0] x_in,
  input signed [18-1:0] y_in,
  input [18-1:0] phase_in,

xd009642

pub struct HoughParameters<T, D, F>
where
    D: Dimension,
    F: Sized + (Fn(f64) -> Array1<T>),
{
    /// Represents the dimensionality of the hough space
    pub dim: PhantomData<D>,
    /// Parameter bounds
    pub bounds: Array2<T>,
    /// Search resolution for each parameter. Should be the same size as bounds.

xd009642

function read_file(path)
    local file, errorMessage = io.open(path, "r")
    if not file then 
        error("Could not read the file:" .. errorMessage .. "\n")
    end
    local content = file:read "*all"
    file:close()
    return content
end
local FileBody = read_file("audio.wav")

xd009642

use bytes::{Buf, Bytes, BytesMut};
use opentelemetry::sdk;
use opentelemetry::sdk::propagation::TraceContextPropagator;
use opentelemetry::sdk::trace::{Builder, Sampler};
use opentelemetry::trace::TracerProvider;
use opentelemetry::{global::set_text_map_propagator, KeyValue};
use std::convert::TryFrom;
use std::env::var;
use std::net::SocketAddr;
use std::process::Stdio;

xd009642

#[derive(Debug, Clone)]
pub struct Biquad{
    /* https://ccrma.stanford.edu/~jos/fp/Direct_Form_II.html */
    b0: f64,
    b1: f64,
    b2: f64,
    a1: f64,
    a2: f64,
}