alef 0.23.32

Opinionated polyglot binding generator for Rust libraries
Documentation 
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// C function pointer for {{ service_snake }}.{{ reg_snake }} callback registration
// This function is defined as a plain extern "C" in the Rust crate (outside the swift-bridge module).
// Swift calls it via this @_silgen_name import at module scope.
@_silgen_name("{{ service_snake }}_{{ reg_snake }}_via_callback")
private func _{{ service_snake }}_{{ reg_snake }}_via_callback(
    _ app: UnsafeMutablePointer<OpaquePointer>,
    {%- for meta_param in metadata_params %}
    _ {{ meta_param.name }}: {{ meta_param.swift_type }},
    {%- endfor %}
    _ ctx: UnsafeMutableRawPointer?,
    _ callback: @convention(c) (UnsafeMutableRawPointer?, UnsafePointer<UInt8>?, Int) -> UnsafeMutablePointer<UInt8>?
) -> Int32