Enum csvsc::add::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

Fields

source: String

colname: String

coldef: String

regex: Regex

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

Mix

Fields

colname: String

coldef: String

Create a new column by mixing existing columns using a template

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

use csvsc::add::ColSpec;

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

Implementations

impl ColSpec

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

Trait Implementations

impl Debug for ColSpec

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

Formats the value using the given formatter.