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case-wrap == operators for strictCaseObjects #61

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39 changes: 25 additions & 14 deletions results.nim
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Original file line number Diff line number Diff line change
Expand Up @@ -831,34 +831,45 @@ template capture*[E: Exception](T: type, someExceptionExpr: ref E): Result[T, re
func `==`*[T0: not void, E0: not void, T1: not void, E1: not void](
lhs: Result[T0, E0], rhs: Result[T1, E1]
): bool {.inline.} =
if lhs.oResultPrivate != rhs.oResultPrivate:
false
else:
case lhs.oResultPrivate # and rhs.oResultPrivate implied
case lhs.oResultPrivate
of true:
case rhs.oResultPrivate
of true:
lhs.vResultPrivate == rhs.vResultPrivate
of false:
false
of false:
case rhs.oResultPrivate
of true:
false
of false:
lhs.eResultPrivate == rhs.eResultPrivate

func `==`*[E0, E1](lhs: Result[void, E0], rhs: Result[void, E1]): bool {.inline.} =
if lhs.oResultPrivate != rhs.oResultPrivate:
false
else:
case lhs.oResultPrivate # and rhs.oResultPrivate implied
case lhs.oResultPrivate
of true:
case rhs.oResultPrivate
of true: true
of false: false
of false:
case rhs.oResultPrivate
of true:
true
false
of false:
lhs.eResultPrivate == rhs.eResultPrivate

func `==`*[T0, T1](lhs: Result[T0, void], rhs: Result[T1, void]): bool {.inline.} =
if lhs.oResultPrivate != rhs.oResultPrivate:
false
else:
case lhs.oResultPrivate # and rhs.oResultPrivate implied
case lhs.oResultPrivate
of true:
case rhs.oResultPrivate
of true:
lhs.vResultPrivate == rhs.vResultPrivate
of false:
true
false
of false:
case rhs.oResultPrivate
of true: false
of false: true

func value*[E](self: Result[void, E]) {.inline.} =
## Fetch value of result if set, or raise Defect
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