expand_derive_type (derives/type.rs)

Procedural macro generating SQL type implementations for Rust structs and enums.

// Source: https://github.com/transact-rs/sqlx | License: Apache-2.0 | Copyright SQLx Contributors
// Provided via justclaw.it.com; keep this notice with the code.
use super::attributes::{
    check_strong_enum_attributes, check_struct_attributes, check_transparent_attributes,
    check_weak_enum_attributes, parse_container_attributes, TypeName,
};
use proc_macro2::{Ident, TokenStream};
use quote::{quote, quote_spanned};
use syn::punctuated::Punctuated;
use syn::token::Comma;
use syn::{
    parse_quote, Data, DataEnum, DataStruct, DeriveInput, Field, Fields, FieldsNamed, Variant,
};

pub fn expand_derive_type(input: &DeriveInput) -> syn::Result<TokenStream> {
    let attrs = parse_container_attributes(&input.attrs)?;
    match &input.data {
        // Newtype structs:
        // struct Foo

... (truncated -- full source via MCP)