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use crate::selection::Selection;
use crate::selection_function_param;
use crate::selection_functions::types::{get_buffer, SFArguments, SFError, SFResult};
use crate::state::EditorState;
selection_function_param! {
name: character_structural,
param_type: usize,
niladic: |(param, es): (usize, &EditorState)| {
let buf = get_buffer(es, es.current_buffer_id)?;
Ok(Selection::Position {
buffer_id: es.current_buffer_id,
pos: usize::min(param, buf.max_pos())
}) },
monadic_rank0: |_, buffer_id, pos| Ok(Selection::Position {buffer_id, pos}),
monadic_rank1: |(param, _), buffer_id, int| Ok(Selection::Position {buffer_id, pos: usize::min(int.end, *param)})
}
selection_function_param! {
name: character_sequential,
param_type: usize,
niladic: |(param, es): (usize, &EditorState)| {
let buf = get_buffer(es, es.current_buffer_id)?;
Ok(Selection::Position {
buffer_id: es.current_buffer_id,
pos: usize::min(param, buf.max_pos()),
})
},
monadic_rank0: |(param, es), buffer_id, pos| {
let buf = get_buffer(es, buffer_id)?;
Ok(Selection::Position {buffer_id, pos: usize::min(pos+*param, buf.max_pos())})
},
monadic_rank1: |(param, es), buffer_id, int| {
let buf = get_buffer(es, buffer_id)?;
Ok(Selection::Position {buffer_id, pos: usize::min(int.end+*param, buf.max_pos())})
}
}
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