Bump github.com/deepmap/oapi-codegen/v2 from 2.0.1-0.20240123090344-d326c01d279a to 2.1.0

[dependabot]

Bumps github.com/deepmap/oapi-codegen/v2 from 2.0.1-0.20240123090344-d326c01d279a to 2.1.0.

Release notes

Sourced from github.com/deepmap/oapi-codegen/v2's releases.

v2.1.0: Nullable, external reference improvements, x-order, and many more!

🔊 Notable features

Nullable types

It's possible that you want to be able to determine whether a field isn't sent, is sent as null or has a value.

For instance, if you had the following OpenAPI property:

S:
  type: object
  properties:
    Field:
      type: string
      nullable: true
    required: []

The current behaviour in oapi-codegen is to generate:

type S struct {
	Field *string `json:"field,omitempty"`
}

However, you lose the ability to understand the three cases, as there's no way to distinguish two of the types from each other:

• is this field not sent? (Can be checked with S.Field == nil)
• is this field null? (Can be checked with S.Field == nil)
• does this field have a value? (S.Field != nil && *S.Field == "123")

Therefore, as requested in #1039, this is now possible to represent with the nullable.Nullable type from our new library, oapi-codegen/nullable.

If you configure your generator's Output Options as so:

output-options:
  nullable-type: true

You will now receive the following output:

type S struct {
    Field nullable.Nullable[string] `json:"field,omitempty"`
}

... (truncated)

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