diff options
author | Eduardo Julian | 2018-02-11 20:16:22 -0400 |
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committer | Eduardo Julian | 2018-02-11 20:16:22 -0400 |
commit | 8d5b71001f0600909d11909acaffa4c2d6f98131 (patch) | |
tree | 7a23e3f6241a8590f64edc94f333bafc738413de /stdlib/test | |
parent | fd9def43d37bfa548f62915f62e5e6cb0a1dfcac (diff) |
- Added initial implementation of protocol-based object-oriented programming.
Diffstat (limited to 'stdlib/test')
-rw-r--r-- | stdlib/test/test/lux/type/object/protocol.lux | 114 | ||||
-rw-r--r-- | stdlib/test/tests.lux | 4 |
2 files changed, 117 insertions, 1 deletions
diff --git a/stdlib/test/test/lux/type/object/protocol.lux b/stdlib/test/test/lux/type/object/protocol.lux new file mode 100644 index 000000000..a93f34aab --- /dev/null +++ b/stdlib/test/test/lux/type/object/protocol.lux @@ -0,0 +1,114 @@ +(.module: + lux + (lux (data text/format) + (type (object protocol)))) + +(type: Counter (Object (Simple Unit Nat))) + +(def: (count [tick return] state) + (Method Nat (Simple Unit Nat)) + (let [state' (n/inc state)] + [(return state') state'])) + +(def: counter + (-> Nat Counter) + (object count)) + +(def: _test0 + [Nat Counter] + ((counter +0) (message []))) + +(protocol: Protocol0 + (method0 [Bool Nat Text] Bool) + (method1 [Nat Text Bool] Nat) + (method2 [Text Bool Nat] Text)) + +(type: Object0 (Object Protocol0)) + +(def: object0 + Object0 + (loop [num-calls +0] + (function [message] + [(case message + (#method0 [arg0 arg1 arg2] output) + (output (n/= +0 (n/% +2 num-calls))) + + (#method1 [arg0 arg1 arg2] output) + (output num-calls) + + (#method2 [arg0 arg1 arg2] output) + (output (%n num-calls))) + (recur (n/inc num-calls))]))) + +(def: _test1 + [Nat Object0] + (object0 (method1 [+0 "0" false]))) + +(protocol: (Read a) + (read [] a)) + +(def: (readM [tick return] state) + (All [s] (Method s (Simple Unit s))) + [(return state) state]) + +(protocol: (Add n) + (+ n Unit) + (- n Unit)) + +(protocol: (Mul n) + (* n Unit) + (/ n Unit)) + +(do-template [<name> <op>] + [(def: (<name> [diff return] state) + (Method Nat (Simple Nat Unit)) + [(return []) (<op> diff state)])] + + [+M n/+] + [-M n/-] + [*M n/*] + [/M n//] + ) + +## (def: addM +## (Method Nat (Add Nat)) +## (seq +M -M)) + +(def: (addM message state) + (Method Nat (Add Nat)) + (case message + (#+ message) + (+M message state) + + (#- message) + (-M message state))) + +(def: (mulM message state) + (Method Nat (Mul Nat)) + (case message + (#* message) + (*M message state) + + (#/ message) + (/M message state))) + +(type: (Number n r) + (#Read (Read n r)) + (#Add (Add n r)) + (#Mul (Mul n r))) + +(def: (numberM message state) + (Method Nat (Number Nat)) + (case message + (#Read message) + (readM message state) + + (#Add message) + (addM message state) + + (#Mul message) + (mulM message state))) + +(def: numberO + (Object (Number Nat)) + (object numberM +0)) diff --git a/stdlib/test/tests.lux b/stdlib/test/tests.lux index b59e8008a..850abc865 100644 --- a/stdlib/test/tests.lux +++ b/stdlib/test/tests.lux @@ -69,7 +69,9 @@ (poly ["poly_." eq] ["poly_." functor])) (type ["_." implicit] - (object ["_." interface]) + (object + ["_." interface] + ["_." protocol]) ["_." resource]) (lang ["lang/_." syntax] ["_." type] |