82 lines
1.8 KiB
Rust
82 lines
1.8 KiB
Rust
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//! IntegerBox - Integer values in Nyash
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//!
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//! Implements the core IntegerBox type for 64-bit signed integers.
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use crate::box_trait::{NyashBox, BoxCore, BoxBase, StringBox, BoolBox};
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use std::any::Any;
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use std::fmt::{Debug, 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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base: BoxBase,
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}
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impl IntegerBox {
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pub fn new(value: i64) -> Self {
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Self {
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value,
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base: BoxBase::new(),
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}
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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 BoxCore for IntegerBox {
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fn box_id(&self) -> u64 {
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self.base.id
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}
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fn parent_type_id(&self) -> Option<std::any::TypeId> {
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self.base.parent_type_id
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}
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fn fmt_box(&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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fn as_any(&self) -> &dyn Any {
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self
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}
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fn as_any_mut(&mut self) -> &mut dyn Any {
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self
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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) -> StringBox {
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StringBox::new(self.value.to_string())
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}
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fn equals(&self, other: &dyn NyashBox) -> 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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/// 仮実装: clone_boxと同じ（後で修正）
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fn share_box(&self) -> Box<dyn NyashBox> {
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self.clone_box()
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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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self.fmt_box(f)
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}
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}
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