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use serde::{Deserialize, Serialize};
#[derive(Debug, Hash, Copy, Clone, PartialEq, Eq, PartialOrd, Deserialize, Serialize)]
pub struct Position {
pub line: Line,
pub column: Column,
}
impl Position {
pub fn new(line: i32, column: u16) -> Self {
Self {
line: Line(line as isize),
column: Column(column as usize),
}
}
pub fn change_line(&mut self, line: isize) {
self.line = Line(line);
}
pub fn change_column(&mut self, column: usize) {
self.column = Column(column);
}
pub fn relative_to(&self, line: usize, column: usize) -> Self {
Self {
line: Line(self.line.0 - line as isize),
column: Column(self.column.0.saturating_sub(column)),
}
}
pub fn line(&self) -> isize {
self.line.0
}
pub fn column(&self) -> usize {
self.column.0
}
}
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, Deserialize, Serialize, PartialOrd)]
pub struct Line(pub isize);
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, Deserialize, Serialize, PartialOrd)]
pub struct Column(pub usize);
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