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Skip copyRecord for buildFromScratch in Builder #80

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Skip copyRecord for buildFromScratch in Builder #80

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887c90a
Skip copyRecord for buildFromScratch in Builder
Mar 25, 2021
5fdb679
Add changelog entry for skipping copyRecord for buildFromScratch
Mar 25, 2021
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ New features:
Bugfixes:

Other improvements:
- Skipped needing to copy initiial record for `buildFromScratch`. (#80)

## [v3.0.0](https://github.com/purescript/purescript-record/releases/tag/v3.0.0) - 2021-02-26

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3 changes: 1 addition & 2 deletions src/Record/Builder.purs
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Expand Up @@ -15,7 +15,6 @@ module Record.Builder

import Prelude hiding (flip)

import Data.Function (flip) as Function
import Data.Function.Uncurried (runFn2)
import Data.Symbol (class IsSymbol, reflectSymbol)
import Prim.Row as Row
Expand Down Expand Up @@ -50,7 +49,7 @@ build (Builder b) r1 = b (copyRecord r1)

-- | Build a record from scratch.
buildFromScratch :: forall r. Builder (Record ()) (Record r) -> Record r
buildFromScratch = Function.flip build {}
buildFromScratch (Builder b) = b {}

-- | Flip a function of one argument returning a builder.
flip :: forall r1 r2 r3. (Record r1 -> Builder (Record r2) (Record r3)) -> Record r2 -> Builder (Record r1) (Record r3)
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