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use crate::config::*;
// This is a silly amount of work to genericise the below...
pub trait ToMyString {
const BLANK_STRING: &'static str;
fn to_my_string(&self) -> String;
}
impl ToMyString for char {
const BLANK_STRING: &'static str = " ";
fn to_my_string(&self) -> String {
self.to_string()
}
}
impl ToMyString for u32 {
const BLANK_STRING: &'static str = " ";
fn to_my_string(&self) -> String {
format!("{:5}", *self)
}
}
impl ToMyString for f32 {
const BLANK_STRING: &'static str = " ";
fn to_my_string(&self) -> String {
format!("{:>4.1}", *self)
}
}
pub fn format_block_output<T: Iterator<Item = S>, S: ToMyString>(things: T) -> String {
let mut result = String::new();
for (i, t) in things.enumerate() {
result += &t.to_my_string();
if i < NUM_KEYS - 1 {
result.push(' ');
}
if (i + 1) % 10 == 0 {
result.push('\n');
if NUM_KEYS < 30 && i == 19 {
result += S::BLANK_STRING;
result.push(' ')
}
} else if (i < 20 && (i + 1) % 5 == 0) || (i == (NUM_KEYS - 20) / 2 + 19) {
result.push(' ');
}
if i + 1 >= NUM_KEYS {
break;
}
}
return result;
}
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