snix_glue/builtins/
utils.rs

1use bstr::ByteSlice;
2use snix_eval::{
3    CatchableErrorKind, CoercionKind, ErrorKind, NixAttrs, NixString, Value,
4    generators::{self, GenCo},
5    try_cek,
6};
7
8pub(super) async fn strong_importing_coerce_to_string(
9    co: &GenCo,
10    val: Value,
11) -> Result<NixString, CatchableErrorKind> {
12    let val = generators::request_force(co, val).await;
13    generators::request_string_coerce(
14        co,
15        val,
16        CoercionKind {
17            strong: true,
18            import_paths: true,
19        },
20    )
21    .await
22}
23
24pub(super) async fn select_string(
25    co: &GenCo,
26    attrs: &NixAttrs,
27    key: &str,
28) -> Result<Result<Option<String>, CatchableErrorKind>, ErrorKind> {
29    if let Some(attr) = attrs.select(key) {
30        let str = try_cek!(strong_importing_coerce_to_string(co, attr.clone()).await);
31        return Ok(Ok(Some(str.to_str()?.to_owned())));
32    }
33
34    Ok(Ok(None))
35}
snix_glue/builtins/utils.rs

snix_glue/builtins/
utils.rs
