specta 2.0.0-rc.9

Easily export your Rust types to other languages
Documentation 
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use std::{borrow::Cow, collections::HashMap};

use crate::{ImplLocation, TypeMap};

/// post process the type map to detect duplicate type names
#[doc(hidden)]
pub fn detect_duplicate_type_names(
    type_map: &TypeMap,
) -> Vec<(Cow<'static, str>, ImplLocation, ImplLocation)> {
    let mut errors = Vec::new();

    let mut map = HashMap::with_capacity(type_map.len());
    for (sid, dt) in type_map.iter() {
        if let Some(ext) = &dt.ext {
            if let Some((existing_sid, existing_impl_location)) =
                map.insert(dt.name.clone(), (sid, ext.impl_location))
            {
                if existing_sid != sid {
                    errors.push((dt.name.clone(), ext.impl_location, existing_impl_location));
                }
            }
        }
    }

    errors
}