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use {
ListSeparator,
Points,
WriteBuffer,
WriteOptions,
};
impl WriteBuffer for (f64, f64) {
fn write_buf_opt(&self, opt: &WriteOptions, buf: &mut Vec<u8>) {
self.0.write_buf_opt(opt, buf);
match opt.list_separator {
ListSeparator::Space => buf.push(b' '),
ListSeparator::Comma => buf.push(b','),
ListSeparator::CommaSpace => buf.extend_from_slice(b", "),
}
self.1.write_buf_opt(opt, buf);
}
}
impl_display!(Points);
impl_debug_from_display!(Points);
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn write_1() {
let list = Points(vec![(1.0, 2.0), (3.0, 4.0)]);
let mut opt = WriteOptions::default();
opt.list_separator = ListSeparator::Space;
assert_eq!(list.with_write_opt(&opt).to_string(), "1 2 3 4");
}
#[test]
fn write_2() {
let list = Points(vec![(1.0, 2.0), (3.0, 4.0)]);
let mut opt = WriteOptions::default();
opt.list_separator = ListSeparator::Comma;
assert_eq!(list.with_write_opt(&opt).to_string(), "1,2,3,4");
}
#[test]
fn write_3() {
let list = Points(vec![(1.0, 2.0), (3.0, 4.0)]);
let mut opt = WriteOptions::default();
opt.list_separator = ListSeparator::CommaSpace;
assert_eq!(list.with_write_opt(&opt).to_string(), "1, 2, 3, 4");
}
}