64 lines
1.4 KiB
Rust
64 lines
1.4 KiB
Rust
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// IntegerBox implementation - Integer values in Nyash
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use crate::box_trait::NyashBox;
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use std::any::Any;
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use std::fmt::Display;
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/// Integer values in Nyash - 64-bit signed integers
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#[derive(Debug, Clone, PartialEq)]
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pub struct IntegerBox {
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pub value: i64,
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id: u64,
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}
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impl IntegerBox {
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pub fn new(value: i64) -> Self {
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static mut COUNTER: u64 = 0;
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let id = unsafe {
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COUNTER += 1;
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COUNTER
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};
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Self { value, id }
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}
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pub fn zero() -> Self {
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Self::new(0)
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}
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}
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impl NyashBox for IntegerBox {
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fn to_string_box(&self) -> crate::box_trait::StringBox {
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crate::box_trait::StringBox::new(self.value.to_string())
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}
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fn equals(&self, other: &dyn NyashBox) -> crate::box_trait::BoolBox {
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use crate::box_trait::BoolBox;
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if let Some(other_int) = other.as_any().downcast_ref::<IntegerBox>() {
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BoolBox::new(self.value == other_int.value)
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} else {
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BoolBox::new(false)
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}
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}
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fn type_name(&self) -> &'static str {
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"IntegerBox"
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}
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fn clone_box(&self) -> Box<dyn NyashBox> {
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Box::new(self.clone())
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}
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fn as_any(&self) -> &dyn Any {
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self
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}
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fn box_id(&self) -> u64 {
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self.id
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}
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}
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impl Display for IntegerBox {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(f, "{}", self.value)
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}
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}
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