2020-02-09 16:05:07 -05:00
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use std::collections::BTreeMap;
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2020-02-02 21:09:29 -05:00
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2020-02-09 16:05:07 -05:00
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use super::Builtin;
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use crate::units::Unit;
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use crate::value::{Number, Value};
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pub(crate) fn register(f: &mut BTreeMap<String, Builtin>) {
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decl!(f "percentage", |args, _| {
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let arg = dbg!(arg!(args, 0, "number").eval());
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let num = match arg {
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Value::Dimension(n, Unit::None) => n * Number::from(100),
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_ => todo!("expected unitless number in builtin function `percentage()`")
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};
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Some(Value::Dimension(num, Unit::Percent))
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});
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}
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