INNER CODE UNIT · Rust

derive_operation_not_found_error

graphql-rust/graphql-client · graphql_client_codegen/src/lib.rs:218

fn derive_operation_not_found_error(
    ident: Option<&proc_macro2::Ident>,
    query: &crate::query::Query,
) -> String {
    let operation_name = ident.map(ToString::to_string);
    let struct_ident = operation_name.as_deref().unwrap_or("");

    let available_operations: Vec<&str> = query
        .operations()
        .map(|(_id, op)| op.name.as_str())
        .collect();
    let available_operations: String = available_operations.join(", ");

    format!(
        "The struct name does not match any defined operation in the query file.\nStruct name: {}\nDefined operations: {}",
        struct_ident,
        available_operations,
    )

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