nushell/crates/nu-protocol/src/value/from.rs

use crate::{ShellError, Value};

impl Value {
    pub fn as_f64(&self) -> Result<f64, ShellError> {
        match self {
            Value::Float { val, .. } => Ok(*val),
            x => Err(ShellError::CantConvert(
                "f64".into(),
                x.get_type().to_string(),
                self.span()?,
                None,
            )),
        }
    }

    pub fn as_i64(&self) -> Result<i64, ShellError> {
        match self {
            Value::Int { val, .. } => Ok(*val),
            Value::Filesize { val, .. } => Ok(*val),
            Value::Duration { val, .. } => Ok(*val),
            x => Err(ShellError::CantConvert(
                "i64".into(),
                x.get_type().to_string(),
                self.span()?,
                None,
            )),
        }
    }
}