feat: Validate UUID without creating new UUID #141
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bormanp
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Dec 11, 2023
uuid.go
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| @@ -186,6 +186,55 @@ func Must(uuid UUID, err error) UUID { | |||
| return uuid | |||
| } | |||
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| // Validate checks if the input string is a properly formatted UUID in various recognized formats. | |||
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// Validate returns an error if s is not a properly formatted UUID in one of the following formats:
// xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
// urn:uuid:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
// xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
// {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}
bormanp
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Dec 12, 2023
hslatman
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Dec 19, 2023
In google/uuid#141 a new `Validate` function was added to the `uuid` package. This can be used when no UUID struct is required, so can be used instead of `Parse`. This takes #1087, but uses `uuid.Validate` in one location.
tkarrass
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Sep 11, 2024
* feat: Validate UUID without creating new UUID * fix: update comment
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Overview
This pull request introduces a new function,
Validate(s string) error, in response to the request in issue #137. The primary goal is to provide a way to validate UUID strings without the overhead of creating a UUID object and its underlying byte array, as currently happens in theParse(s string) (UUID, error)function.Changes Made
Validate(s string) errorwhich checks the format of the UUID string without generating a UUID object.Rationale
This change is particularly useful in scenarios where UUIDs are frequently validated but not used in their byte form. It optimizes performance by eliminating unnecessary memory allocations associated with UUID object creation, especially in high-throughput environments.
Testing
Unit tests have been added to cover various cases:
The tests ensure that the new validation function behaves as expected across a wide range of valid and invalid inputs.
Impact
This update introduces a non-breaking change, adding new functionality to the library without altering existing behaviors.
Looking forward to your feedback and suggestions on this implementation!
Resolves #137