Function cast_single_string_to_boolean

arrow-cast/src/cast/string.rs:413–427

(
    value: &str,
    cast_options: &CastOptions,
)

#[inline]
fn cast_single_string_to_boolean(
    value: &str,
    cast_options: &CastOptions,
) -> Result<Option<bool>, ArrowError> {
    match value.to_ascii_lowercase().trim() {
        "t" | "tr" | "tru" | "true" | "y" | "ye" | "yes" | "on" | "1" => Ok(Some(true)),
        "f" | "fa" | "fal" | "fals" | "false" | "n" | "no" | "of" | "off" | "0" => Ok(Some(false)),
        invalid_value => match cast_options.safe {
            true => Ok(None),
            false => Err(ArrowError::CastError(format!(
                "Cannot cast value '{invalid_value}' to value of Boolean type",
            ))),
        },
    }
}

/// Cast a single string to boolean with default cast option(safe=true).
pub fn cast_single_string_to_boolean_default(value: &str) -> Option<bool> {