Enum csvsc::ColSpec

pub enum ColSpec {
    Regex {
        source: String,
        colname: String,
        coldef: String,
        regex: Regex,
    },
    Mix {
        colname: String,
        coldef: String,
    },
}

Types of specifications available to create a new column.

Variants

Regex

Creates a new column based on a previous column using a regular expression to extract information from it.

Fields of Regex

source: Stringcolname: Stringcoldef: Stringregex: Regex

Mix

Create a new column by mixing existing columns using a template

E.g. assuming that the month and day columns exist:

use csvsc::ColSpec;

let spec = ColSpec::Mix {
    colname: "new_col".to_string(),
    coldef: "{day}/{month}".to_string(),
};

Fields of Mix

colname: Stringcoldef: String

Implementations

impl ColSpec

pub fn compute(
    &self,
    data: &Row,
    headers: &Headers
) -> Result<String, BuildError>

Trait Implementations

impl Debug for ColSpec

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.