nucl-parquet 0.13.6

Nuclear data as Parquet — zero-copy cross-section lookups for Monte Carlo transport
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

use std::path::PathBuf;

/// Errors from loading or querying nuclear data.
#[derive(Debug, thiserror::Error)]
pub enum Error {
    #[error("data directory not found: {0}")]
    DataDirNotFound(PathBuf),

    #[error("no data files found in {0}")]
    NoDataFiles(PathBuf),

    #[error("parquet read error: {0}")]
    Parquet(#[from] parquet::errors::ParquetError),

    #[error("arrow error: {0}")]
    Arrow(#[from] arrow::error::ArrowError),

    #[error("missing column '{column}' in {file}")]
    MissingColumn { file: PathBuf, column: String },

    #[error("element Z={0} not loaded")]
    ElementNotLoaded(u8),

    #[error("io error: {0}")]
    Io(#[from] std::io::Error),

    #[error("nucl-parquet data not found; set $NUCL_PARQUET_DATA or enable the `fetch` feature")]
    DataNotFound,

    #[error("download failed: {0}")]
    Download(String),
}