59 lines
2.2 KiB
Rust
59 lines
2.2 KiB
Rust
use std::collections::BTreeMap;
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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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max_args!(args, 1);
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let num = match arg!(args, 0, "number") {
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Value::Dimension(n, Unit::None) => n * Number::from(100),
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v @ Value::Dimension(..) => return Err(format!("$number: Expected {} to have no units.", v).into()),
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v => return Err(format!("$number: {} is not a number.", v).into()),
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};
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Ok(Value::Dimension(num, Unit::Percent))
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});
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decl!(f "round", |args, _| {
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max_args!(args, 1);
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match arg!(args, 0, "number") {
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Value::Dimension(n, u) => Ok(Value::Dimension(n.round(), u)),
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v => return Err(format!("$number: {} is not a number.", v).into()),
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}
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});
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decl!(f "ceil", |args, _| {
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max_args!(args, 1);
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match arg!(args, 0, "number") {
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Value::Dimension(n, u) => Ok(Value::Dimension(n.ceil(), u)),
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v => return Err(format!("$number: {} is not a number.", v).into()),
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}
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});
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decl!(f "floor", |args, _| {
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max_args!(args, 1);
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match arg!(args, 0, "number") {
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Value::Dimension(n, u) => Ok(Value::Dimension(n.floor(), u)),
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v => return Err(format!("$number: {} is not a number.", v).into()),
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}
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});
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decl!(f "abs", |args, _| {
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max_args!(args, 1);
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match arg!(args, 0, "number") {
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Value::Dimension(n, u) => Ok(Value::Dimension(n.abs(), u)),
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v => return Err(format!("$number: {} is not a number.", v).into()),
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}
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});
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decl!(f "comparable", |args, _| {
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max_args!(args, 2);
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let unit1 = match arg!(args, 0, "number1") {
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Value::Dimension(_, u) => u,
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v => return Err(format!("$number1: {} is not a number.", v).into()),
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};
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let unit2 = match arg!(args, 1, "number2") {
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Value::Dimension(_, u) => u,
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v => return Err(format!("$number2: {} is not a number.", v).into()),
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};
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Ok(Value::bool(unit1.comparable(&unit2)))
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});
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}
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