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ValueObservation.mapReducer #452

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Dec 2, 2018
Merged

ValueObservation.mapReducer #452

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b8e3994
ValueObservation.mapReducer
groue Dec 1, 2018
ce61d27
CHANGELOG
groue Dec 2, 2018
c7d28de
CHANGELOG
groue Dec 2, 2018
a8d9f2d
CHANGELOG
groue Dec 2, 2018
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7 changes: 6 additions & 1 deletion CHANGELOG.md
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Expand Up @@ -54,6 +54,7 @@ GRDB adheres to [Semantic Versioning](https://semver.org/).
- [#443](https://github.com/groue/GRDB.swift/pull/443): In place record update
- [#444](https://github.com/groue/GRDB.swift/pull/444): Combine Value Observations
- [#451](https://github.com/groue/GRDB.swift/pull/451): ValueObservation.compactMap
- [#452](https://github.com/groue/GRDB.swift/pull/452): ValueObservation.mapReducer
- [#445](https://github.com/groue/GRDB.swift/pull/445): Quality of service and target dispatch queue
- ValueObservation methods which used to accept a variadic list of observed regions now also accept an array.
- ValueReducer, the protocol that fuels ValueObservation, is flagged [**:fire: EXPERIMENTAL**](README.md#what-are-experimental-features). It will remain so until more experience has been acquired.
Expand Down Expand Up @@ -111,7 +112,11 @@ GRDB adheres to [Semantic Versioning](https://semver.org/).
+ func compactMap<T>(_ transform: @escaping (Reducer.Value) -> T?)
+ -> ValueObservation<CompactMapValueReducer<Reducer, T>>
+}


+extension ValueObservation {
+ func mapReducer<R>(_ transform: @escaping (Database, Reducer) throws -> R)
+ -> ValueObservation<R>
+}

struct Configuration {
+ var qos: DispatchQoS
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8 changes: 8 additions & 0 deletions GRDB.xcodeproj/project.pbxproj
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Expand Up @@ -211,6 +211,9 @@
564CE4E721B2E06800652B19 /* ValueObservationCompactMapTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 564CE4E521B2E06700652B19 /* ValueObservationCompactMapTests.swift */; };
564CE4E921B2E06F00652B19 /* ValueObservationMapTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 564CE4E821B2E06F00652B19 /* ValueObservationMapTests.swift */; };
564CE4EA21B2E06F00652B19 /* ValueObservationMapTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 564CE4E821B2E06F00652B19 /* ValueObservationMapTests.swift */; };
564CE52021B3129A00652B19 /* ValueObservation+MapReducer.swift in Sources */ = {isa = PBXBuildFile; fileRef = 564CE51F21B3129900652B19 /* ValueObservation+MapReducer.swift */; };
564CE52121B3129A00652B19 /* ValueObservation+MapReducer.swift in Sources */ = {isa = PBXBuildFile; fileRef = 564CE51F21B3129900652B19 /* ValueObservation+MapReducer.swift */; };
564CE52221B3129A00652B19 /* ValueObservation+MapReducer.swift in Sources */ = {isa = PBXBuildFile; fileRef = 564CE51F21B3129900652B19 /* ValueObservation+MapReducer.swift */; };
564E73DF203D50B9000C443C /* JoinSupportTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 564E73DE203D50B9000C443C /* JoinSupportTests.swift */; };
564E73E0203D50B9000C443C /* JoinSupportTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 564E73DE203D50B9000C443C /* JoinSupportTests.swift */; };
564F9C1E1F069B4E00877A00 /* DatabaseAggregateTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 564F9C1D1F069B4E00877A00 /* DatabaseAggregateTests.swift */; };
Expand Down Expand Up @@ -974,6 +977,7 @@
564CE4D521B2DEB500652B19 /* ValueObservation+CompactMap.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "ValueObservation+CompactMap.swift"; sourceTree = "<group>"; };
564CE4E521B2E06700652B19 /* ValueObservationCompactMapTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ValueObservationCompactMapTests.swift; sourceTree = "<group>"; };
564CE4E821B2E06F00652B19 /* ValueObservationMapTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ValueObservationMapTests.swift; sourceTree = "<group>"; };
564CE51F21B3129900652B19 /* ValueObservation+MapReducer.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "ValueObservation+MapReducer.swift"; sourceTree = "<group>"; };
564E73DE203D50B9000C443C /* JoinSupportTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = JoinSupportTests.swift; sourceTree = "<group>"; };
564F9C1D1F069B4E00877A00 /* DatabaseAggregateTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = DatabaseAggregateTests.swift; sourceTree = "<group>"; };
564F9C2C1F075DD200877A00 /* DatabaseFunction.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = DatabaseFunction.swift; sourceTree = "<group>"; };
Expand Down Expand Up @@ -1403,6 +1407,7 @@
5613ED4F21A95C6D00DC7A68 /* ValueObservation+DatabaseValueConvertible.swift */,
5613ED4B21A95C4300DC7A68 /* ValueObservation+FetchableRecord.swift */,
5613ED3421A95A5C00DC7A68 /* ValueObservation+Map.swift */,
564CE51F21B3129900652B19 /* ValueObservation+MapReducer.swift */,
5613ED4721A95C1200DC7A68 /* ValueObservation+Row.swift */,
564CE43021AA901800652B19 /* ValueObserver.swift */,
5613ED4321A95B2C00DC7A68 /* ValueReducer.swift */,
Expand Down Expand Up @@ -2508,6 +2513,7 @@
565490C51D5AE236005622CB /* SerializedDatabase.swift in Sources */,
56F3E7691E67F8C100BF0F01 /* Fixits-0.101.1.swift in Sources */,
5698AC7E1DA37DCB0056AF8C /* VirtualTableModule.swift in Sources */,
564CE52221B3129A00652B19 /* ValueObservation+MapReducer.swift in Sources */,
5653EB1A20944C7C00F46237 /* ForeignKey.swift in Sources */,
5698AC3D1D9E5A590056AF8C /* FTS3Pattern.swift in Sources */,
563EF45D2163309F007DAACD /* Inflections.swift in Sources */,
Expand Down Expand Up @@ -2658,6 +2664,7 @@
56D51D031EA789FA0074638A /* FetchableRecord+TableRecord.swift in Sources */,
5653EB1620944C7C00F46237 /* AssociationQuery.swift in Sources */,
560D924C1C672C4B00F4F92B /* TableRecord.swift in Sources */,
564CE52121B3129A00652B19 /* ValueObservation+MapReducer.swift in Sources */,
5653EC132098738B00F46237 /* SQLGenerationContext.swift in Sources */,
5657AB121D10899D006283EF /* URL.swift in Sources */,
5616AAF2207CD45E00AC3664 /* RequestProtocols.swift in Sources */,
Expand Down Expand Up @@ -3118,6 +3125,7 @@
566B91131FA4C3F50012D5B0 /* DatabaseCollation.swift in Sources */,
5605F1591C672E4000235C62 /* CGFloat.swift in Sources */,
5674A7031F307FCD0095F066 /* DatabaseValueConvertible+ReferenceConvertible.swift in Sources */,
564CE52021B3129A00652B19 /* ValueObservation+MapReducer.swift in Sources */,
5659F4A01EA8D997004A4992 /* Result.swift in Sources */,
5605F1631C672E4000235C62 /* Date.swift in Sources */,
5605F1711C672E4000235C62 /* DatabaseValueConvertible+RawRepresentable.swift in Sources */,
Expand Down
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