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wasmtime/crates/wiggle/tests/union.witx
Jakub Konka ae0a0240ed Add 'crates/wiggle/' from commit 'cd484e49932d8dd8f1bd1a002e0717ad8bff07fb'
git-subtree-dir: crates/wiggle
git-subtree-mainline: 2ead747f48
git-subtree-split: cd484e4993
2020-03-11 17:30:49 +01:00

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(use "errno.witx")
(use "excuse.witx")
;; Every worker needs a union. Organize your workplace!
;; Fight for the full product of your labor!
(typename $reason
(union $excuse
(field $dog_ate f32)
(field $traffic s32)
(empty $sleeping)))
(typename $reason_mut
(union $excuse
(field $dog_ate (@witx pointer f32))
(field $traffic (@witx pointer s32))
(empty $sleeping)))
(module $union_example
(@interface func (export "get_tag")
(param $r $reason)
(result $error $errno)
(result $t $excuse)
)
(@interface func (export "reason_mult")
(param $r $reason_mut)
(param $multiply_by u32)
(result $error $errno)
)
)