Class ExternFunc

python/tvm/relax/expr.py:1133–1150

extern function, which represents a PackedFunc.

@tvm_ffi.register_object("relax.expr.ExternFunc")
class ExternFunc(BaseFunc, ExprWithOp):
    """extern function, which represents a PackedFunc."""

    global_symbol: String
    span: Span | None

    def __init__(
        self,
        global_symbol: String,
        struct_info: StructInfo | None = None,
        span: Span | None = None,
    ) -> None:
        self.__init_handle_by_constructor__(
            _ffi_api.ExternFunc,
            global_symbol,
            struct_info,
            span,  # type: ignore
        )


def extern(name: str, struct_info: StructInfo | None = None, span: Span | None = None):