#[cfg(feature = "std")]
use crate::grid::config;
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
pub enum Offset {
Begin(usize),
End(usize),
}
#[cfg(feature = "std")]
impl From<Offset> for config::Offset {
fn from(o: Offset) -> Self {
match o {
Offset::Begin(i) => config::Offset::Begin(i),
Offset::End(i) => config::Offset::End(i),
}
}
}
impl From<isize> for Offset {
fn from(value: isize) -> Self {
if value > 0 {
Offset::Begin(value as usize)
} else {
Offset::End((-value) as usize)
}
}
}
impl From<i32> for Offset {
fn from(value: i32) -> Self {
if value > 0 {
Offset::Begin(value as usize)
} else {
Offset::End((-value) as usize)
}
}
}
impl From<i64> for Offset {
fn from(value: i64) -> Self {
if value > 0 {
Offset::Begin(value as usize)
} else {
Offset::End((-value) as usize)
}
}
}
impl From<usize> for Offset {
fn from(value: usize) -> Self {
Offset::Begin(value)
}
}