ceph-csi/vendor/github.com/aws/smithy-go/properties.go
dependabot[bot] f9310c84f4 rebase: Bump github.com/aws/aws-sdk-go-v2/service/sts
Bumps [github.com/aws/aws-sdk-go-v2/service/sts](https://github.com/aws/aws-sdk-go-v2) from 1.20.0 to 1.21.0.
- [Release notes](https://github.com/aws/aws-sdk-go-v2/releases)
- [Changelog](https://github.com/aws/aws-sdk-go-v2/blob/main/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-go-v2/compare/v1.20.0...service/s3/v1.21.0)

---
updated-dependencies:
- dependency-name: github.com/aws/aws-sdk-go-v2/service/sts
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2023-08-01 13:50:10 +00:00

53 lines
1.5 KiB
Go

package smithy
// PropertiesReader provides an interface for reading metadata from the
// underlying metadata container.
type PropertiesReader interface {
Get(key interface{}) interface{}
}
// Properties provides storing and reading metadata values. Keys may be any
// comparable value type. Get and set will panic if key is not a comparable
// value type.
//
// Properties uses lazy initialization, and Set method must be called as an
// addressable value, or pointer. Not doing so may cause key/value pair to not
// be set.
type Properties struct {
values map[interface{}]interface{}
}
// Get attempts to retrieve the value the key points to. Returns nil if the
// key was not found.
//
// Panics if key type is not comparable.
func (m *Properties) Get(key interface{}) interface{} {
return m.values[key]
}
// Set stores the value pointed to by the key. If a value already exists at
// that key it will be replaced with the new value.
//
// Set method must be called as an addressable value, or pointer. If Set is not
// called as an addressable value or pointer, the key value pair being set may
// be lost.
//
// Panics if the key type is not comparable.
func (m *Properties) Set(key, value interface{}) {
if m.values == nil {
m.values = map[interface{}]interface{}{}
}
m.values[key] = value
}
// Has returns whether the key exists in the metadata.
//
// Panics if the key type is not comparable.
func (m *Properties) Has(key interface{}) bool {
if m.values == nil {
return false
}
_, ok := m.values[key]
return ok
}