cairo-native 0.9.0-rc.9

A compiler to convert Cairo's IR Sierra code to MLIR and execute it.
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//! # Const globals metadata
//!
//! Tracks which const types already have their value emitted as a constant global, so that the
//! const libfuncs emit each constant once per module and every call site just takes its address.

use cairo_lang_sierra::ids::ConcreteTypeId;
use std::collections::HashSet;

#[derive(Default)]
pub struct ConstGlobalsMeta {
    emitted: HashSet<u64>,
}

impl ConstGlobalsMeta {
    /// Marks the const type as emitted, returning `true` if it was not emitted before.
    pub fn mark_emitted(&mut self, const_type: &ConcreteTypeId) -> bool {
        self.emitted.insert(const_type.id)
    }
}