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[docs] stdlib guide - fix legacy naming #32446

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Jun 19, 2020
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[docs] stdlib guide - fix legacy naming #32446

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2 changes: 1 addition & 1 deletion docs/StandardLibraryProgrammersManual.md
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Expand Up @@ -98,7 +98,7 @@ On these platforms, the Swift Standard Library ships as an integrated part of th

#### Unwrapping Optionals

Optionals can be unwrapped with `!`, which triggers a trap on nil. Alternatively, they can be `.unsafelyUnwrapped()`, which will check and trap in debug builds of user code. Internal to the standard library is `._unsafelyUnwrappedUnchecked()` which will only check and trap in debug builds of the standard library itself. These correspond directly with `_precondition`, `_debugPrecondition`, and `_sanityCheck`. See [that section](#precondition) for details.
Optionals can be unwrapped with `!`, which triggers a trap on nil. Alternatively, they can be `.unsafelyUnwrapped()`, which will check and trap in debug builds of user code. Internal to the standard library is `._unsafelyUnwrappedUnchecked()` which will only check and trap in debug builds of the standard library itself. These correspond directly with `_precondition`, `_debugPrecondition`, and `_internalInvariant`. See [that section](#precondition) for details.

#### UnsafeBitCast and Casting References

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