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ratex_parser/functions/
lap.rs

1use std::collections::HashMap;
2
3use crate::error::ParseResult;
4use crate::functions::{define_function_full, FunctionContext, FunctionSpec};
5use crate::parse_node::ParseNode;
6
7pub fn register(map: &mut HashMap<&'static str, FunctionSpec>) {
8    define_function_full(
9        map,
10        &["\\mathllap", "\\mathrlap", "\\mathclap"],
11        "lap",
12        1, 0, None,
13        false,
14        true, true,
15        false, false,
16        handle_lap,
17    );
18}
19
20fn handle_lap(
21    ctx: &mut FunctionContext,
22    args: Vec<ParseNode>,
23    _opt_args: Vec<Option<ParseNode>>,
24) -> ParseResult<ParseNode> {
25    let alignment = ctx.func_name[5..].to_string();
26
27    Ok(ParseNode::Lap {
28        mode: ctx.parser.mode,
29        alignment,
30        body: Box::new(args.into_iter().next().unwrap()),
31        loc: None,
32    })
33}