[Function builders] Additional entry points #30322
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When present in a function builder, buildFinalResult() will be called on the value of the outermost block to form the final result of the closure. This allows one to collapse the full function builder computation into a single result without having to do it in each buildBlock() call.
Line up with the function builders pitch, which uses buildOptional(_:) to build optional values.
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@swift-ci please smoke test |
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Introduce two new function builder entry points:
buildFinalResult, to build the final result of the function builder transformation in the synthesizedreturnbuildOptional, as an alternative name forbuildIfthat matches up with the proposal