Peter pmkroeker

Engineer. Typescript, Python, Rust, Go

pmkroeker / mondays.rs

Last active June 3, 2020 21:48 — forked from rust-play/playground.rs

	use std::convert::TryInto;
	use chrono::prelude::*; // 0.4.11

	pub struct Mondays {}

	impl Mondays {
	pub fn count(birth: chrono::NaiveDate, curr_date: chrono::NaiveDate) -> i64 {
	// start work at age 22
	let start_work = birth + chrono::Duration::days(22 * 365);
	// retire at age 78

pmkroeker / xo.rs

Last active June 3, 2020 18:25 — forked from rust-play/playground.rs

XO Solution https://dev.to/thepracticaldev/daily-challenge-29-xs-and-os-12mj

	// https://dev.to/thepracticaldev/daily-challenge-29-xs-and-os-12mj

	pub fn xo (value: &str) -> bool {
	let value = value.to_lowercase();
	let count_x = value.matches("x").count();
	let count_o = value.matches("o").count();
	count_x == count_o
	}

	#[cfg(test)]

pmkroeker / ccbreaker.rs

Created June 3, 2020 16:23 — forked from rust-play/playground.rs

Camel Case Breaker solution https://dev.to/thepracticaldev/daily-challenge-188-break-camelcase-3ppf

	pub fn ccbreaker (value: &str) -> String {
	value.chars()
	.into_iter()
	.map(\|c\| if c.is_uppercase() { format!(" {}", c.to_lowercase()) } else { c.to_string() })
	.collect::<String>()
	}

	#[cfg(test)]
	mod tests {
	use super::*;

pmkroeker / rgb_to_hex.rs

Last active June 3, 2020 15:50 — forked from rust-play/playground.rs

	// Convert number to hex string.
	pub fn to_hex (value: i32) -> String {
	let value = if value > 255 { 255 } else if value < 0 { 0 } else { value };
	format!("{:02X}", value)
	}

	// Join all hex strings together from rgb input.
	pub fn rgb (r: i32, g: i32, b: i32) -> String {
	format!("{}{}{}", to_hex(r), to_hex(g), to_hex(b))
	}