mirror of https://github.com/stelzo/typst.git
35 lines
836 B
Rust
35 lines
836 B
Rust
use std::collections::HashMap;
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use std::fmt::{self, Debug, Formatter};
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use super::Value;
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/// A map from identifiers to values.
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#[derive(Default, Clone, PartialEq)]
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pub struct Scope {
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values: HashMap<String, Value>,
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}
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impl Scope {
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// Create a new empty scope with a fallback function that is invoked when no
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// match is found.
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pub fn new() -> Self {
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Self::default()
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}
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/// Return the value of the given variable.
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pub fn get(&self, var: &str) -> Option<&Value> {
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self.values.get(var)
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}
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/// Store the value for the given variable.
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pub fn set(&mut self, var: impl Into<String>, value: impl Into<Value>) {
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self.values.insert(var.into(), value.into());
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}
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}
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impl Debug for Scope {
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fn fmt(&self, f: &mut Formatter) -> fmt::Result {
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self.values.fmt(f)
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}
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}
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