nim-ffi/tests/unit/fixtures/scalar_skip_fixture.nim

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Nim

## Compile fixture for the scalar-fast-path drop error (see
## tests/unit/test_scalar_skip_gen.nim): a CBOR-default library, so no target
## binds its scalar `abi = c` proc and genBindings() fails unless
## -d:ffiAllowScalarSkip.
import ffi, chronos
type SkipLib = object
base: int
declareLibrary("scalarskip", SkipLib)
type SkipConfig {.ffi.} = object
base: int
proc scalarskip_create*(cfg: SkipConfig): Future[Result[SkipLib, string]] {.ffiCtor.} =
return ok(SkipLib(base: cfg.base))
proc scalarskip_add*(
lib: SkipLib, a: int, b: int
): Future[Result[int, string]] {.ffi: "abi = c".} =
## All-scalar signature: CBOR-free fast path, unbindable outside an `abi = c`
## library.
return ok(lib.base + a + b)
genBindings()