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use std::sync::{Arc, RwLock};
use mlua::prelude::*;
use super::{cell::Cell, Sheet};
pub trait LuaForEach {
fn lua_foreach<'lua>(
&self,
func: LuaFunction<'lua>,
range: Vec<(usize, usize)>,
) -> Result<(), LuaError>;
}
impl LuaForEach for Arc<RwLock<Sheet>> {
fn lua_foreach<'lua>(
&self,
func: LuaFunction<'lua>,
range: Vec<(usize, usize)>,
) -> Result<(), LuaError> {
let mut this = self.write().unwrap();
let mut sheet = this.clone();
for (row, column) in range.iter() {
let cellref = this.get_ref(*row, *column);
match func.call::<_, Cell>(cellref) {
Ok(cell) => sheet.set_cell(*row, *column, cell),
Err(error) => return Err(error),
}
}
this.apply(sheet);
Ok(())
}
}
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